[Fascinate Android Development] DeezNotes:
If I can, I'll try to answer a few questions.

The v4 release in the OP is the latest and greatest at this point. It is different than any of the test builds distributed on IRC.

I would suggest a wipe before you flash to make sure you're not transplanting any issues from a different ROM - even if you're coming from a previous miui rom such as v3 or an IRC test build. If you have issues and you didn't wipe - again, I suggest backing up your current situation, wipe and then flash - and re-test whatever issues you had.

This is based off of MIUI 1.3.5. Yes, 1.3.11 is the latest version, but it is based off of Gingerbread. Baby steps.

MIUI Music is a bit of a resource hog, so if you run it and your battery starts to drain, it's probably because of that. It makes the sensor process eat your CPU alive after it's launched and even after it's closed.

Themes work. Themes aren't specific to any device as far as I know. That's what makes MIUI awesome. When using the Theme Manager to download, it can take forever. Maybe they're downloading from China? I have no idea. But they work. If it takes too long, download some from here: http://miuithemes.com/ and put them in the folder mentioned a few posts before this one. The phone should reboot after applying the theme. If the phone tries to do a "hot reboot" it may get stuck. Pull the battery, reboot and you should be fine.

Time has been adjusted for daylight savings time. For me, the clock is on the correct time at first boot now. So if the time is still an hour off... I don't know what to tell you other than to be sure to set the proper time zone.

MMS doesn't work yet. To what extent, I don't know. But what I do know is.. is that it doesn't work.

Bluetooth stereo headphones may work fine. But they do not work in a call.

The EB01 voodoo kernel is included in this CWM zip. If you're not on voodoo, I would suggest flashing the EB01 non-voodoo kernel immediately after flashing the ROM (before you boot) to prevent any issues with voodoo. You can also go to voodoo before you flash this ROM or just make sure the "disable_lagfix" file is in the /sdcard/voodoo folder (might want to make sure that's the file+folder - I typed that off of memory). Bottom line is, you don't want the first boot to try to convert your partitions. This should be done before or after the ROM has been booted at least once (I think).

Does the DL30 or DL09 modem work with this? I have no idea. If it were me, I would use a modem that corresponded to the kernel and ROM I'm using just to be safe. It might work... and it might not. If you find out something new, post it to let everyone know, so if someone else has the same question - there will be an answer here for them to read.

Lastly, I've been running MIUI for a while now and between builds and backups, I'll use Titanium to restore all my data (even system data). This usually results in random reboots or other issues with my google account. I have found that it is best to restore only non-system applications (the ones in green in Titanium) and to only restore data for select system apps - like the Launcher to get my icons back where I want them. I have consistently had issues with Chrome to Phone, Talk and Calendar writing to the database. Sometimes wiping data for those apps works, sometimes I need to start from a fresh build.

If possible with this latest build, start from a fresh install and work your way up from there. If you have issues, post it up and let us know if you came from a half-restore, if you flashed over something or anything crazy that could contribute to any issues.