[HTC One S] Rapier:
First I wrote a different post cause I wanted it to be separated from my previous comment...now to the real thing...

I won't say this ROM it's fast cause this seem to become a "standard" on Android 5.1...but it's fast. Maybe later, other ROMs will improve the code or will be built with other toolchains that will provide better speed but for now 5.1 ROMs performs the same in terms of speed (at least the 3 that I've tested: CM12.1, Resurrection 5.4.0 and Cyanide L 9.3).

It is interesting that this ROM has so many customization options that other ROMs don't even have on Android 5.0.2. And it's not only about settings not present anywhere else but rather different approach of implementing them, providing more customization for each option. I won't make a list of all features in this ROM cause this you can also find in the OP. I thought it'll be more interesting just to point out the differences or things that are particular to this ROM in implementing those options and enumerate some basic features that I find useful (forgive me if some might be of no importance for some and if I miss others but any review is subjective at a certain point :) ). I'll list them in no particular order, based on what comes first to my mind:

- Active Display it's working (nice, got rid of the Xposed module for that)

- Network Speed Indicator...well here I saw a different approach. We were all used with that "Omni style" traffic indicators that all LP and above ROMs integrated. They're nice but in this ROM they become better. There are some added options for displaying session summary or to colorize the text or indicators. Also the font is bigger and even on 220 DPI and two line display of the indicator, I can read the numbers...which was not the case unfortunately with Resurrection that has some tiny unreadable font size for this. (setting page screenshot attached)

- Quick Settings have the usual customization options like ordering, 4 tiles per row and so on but they also have colorize options which I found previously on few 5.0.2 ROMs and offers a nice way to personalize the QS area beyond of what an applied theme offers (setting page screenshot attached along with my QS colors)

- text and icons in notification header can have their own separate colors (setting page screenshot attached) [Settings - CyanideMods - Status bar - Status Bar Header]

- speaking about status bar here we have some nice options (some of which I'll detail below): Cyanide Logo, Greeting, WiFi & Mobile Network Icons, Notif & System Icons, Custom Carier Label

- Greeting (found in other ROMs too) offers the option to input a custom greeting to be displayed each time when screen is unlocked. The greeting will be briefly shown in status bar (time is user selectable). Text can be anything including emoticons [Settings - CyanideMods - Status bar - Greeting]

- Mobile & WiFi Network Icons...this is a new entry, I've never seen before in a ROM. It is similar with Xposed module GravityBox option to colorize icons based on connectivity status. It has several options ranging from applying color to the icons or to the traffic indicators if set to visible (those tiny little arrows on top of WiFi/signal icons) (setting page screenshot attached) [Settings - CyanideMods - Status bar - Mobile & WiFi Netowrk Icons]

- Notification & System Icons...also something I never saw. Basically allows (besides usual options like notification ticker or notification count) custom colors for notification icons (those on the left side of status bar), notif ticker text, notif count icon and notif count text (setting page screenshot attached) [Settings - CyanideMods - Status bar - Notifications & System Icons]

- Lock screen has some nice things too, the setting page for it allows setting of custom shortcuts and also replace the bottom corner standard ones with custom shortcuts. There are also options to colorize the icons or display/hide music vizualizer. (lockscreen screenshot attached) [Settings - CyanideMods - Lock screen]

- coming back to the status bar, the clock has all the options to position left/center/right or completely hide it, along with font style, color or option to show date

- surprisingly, the ROM misses one option that is commonly found it all ROMs so far...the battery bar. I used it till now but it seems they overlooked it and it's not added but it might come in the future as it's not a hard thing to add

- the Interface menu includes the usual things like App circle bar, Expanded desktop, Gesture Anywhere and LCD Density (which by the way has an older and better implementation in my opinion). Expanded desktop was a pleasant surprise for me, I never used this option before but here I've noticed that it can be applied either globally or on a per-app basis [Settings - CyanideMods - Interface]

- Recent Apps Panel offers the standard customization option and it's also having a visual bug...the "clear all" button is incorrectly scaled giving a prolonged vertical oval instead of a circle. This can be easily fixed in the future as it is a drawable thing not being correctly sized for hdpi probably. Also with this occasion I've noticed that some Theme Engine commits are not merged, cause this clear all button is not themed when a Theme is applied [Settings - CyanideMods - Recent Apps Panel]

- System App Remover is also present in settings and allows you to delete any app within system to make more space and clean up unused apps [Settings - CyanideMods - System App Remover]

- ROM has an integrated Wakelock Blocker and even if I don't use it some might find it useful [Settings - CyanideMods - Wakelock Blocker]

- Weather Control is present also in the settings, allowing customization of weather appearance in several places across the ROM in a centralized manner (that is good). Here you can change how the weather in notification header will look like (custom location, units, and so on) but also options to show//hide weather on lockscreen or change it's aspect [Settings - CyanideMods - Weather Control]

Apart from these, most of options are the standard ones found in CM based ROMs and don't need further detail. So if I made you curious...flash and enjoy (Loreane I know...Curiosity is your middle name)