[Advantage X7500, MDA Ameo ROM Development] sergiopi:
I will suggest as must have in ROM:

WM5 dlls (wmadecoder.dll and wmvdecoder.dll) in \windows directory, to give to TCPMP the capability to play also WMV and WMA

Touch 6 buttons home plugin (If you ever used it you know why!)

12 buttons Shaps's commmanager

The latest wm6 and embedded appz versions (battery icon with percentage of charge over it as an example)

Kaiser video dialer (if available)

Tweak tool, to deal between performances and memory

Latest HTC customizzation

Network wizard (I have it on my HTC rom)

WM6 RDP

Office 2007 with Onenote

Office ZIP anFAX viewers

APPZ ggod to have as external, optional, add-on

GSFINDER+ (a good filemanager),

Task manager 2.7 FDCSOFT (This will add also regedit, and reset/suspend buttons ) I use it primarly to debug/analyze my ATHENA

HTC Xbutton (simple and fast way to increase free memory and speed)

VjCandela (you never know when, but you will need a flashlight sometime in life!)

HTC audio manager (IPOD like audio manager and home plugin for it and for WMP)

SHAPS ROM

Main features:

Official Hermes WM6 build (OS 5.2.1437 build 17944.0.3.1)

Newest OEM components

100% Translated user interface (OS & OEM apps)

Localized hardware & software keyboard layout

HSDPA enabled

Video call enabled (New build)

Smart dialing enabled (New build)

VOIP enabled

Windows Update enabled

Office Mobile 2007 (New build)

OneNote Mobile 2007

Office Zip and Fax viewers

Windows Live (back to build 1400)

Remote Desktop Mobile

All bugs from the previous versions should be fixed!

OEM applications:

Camera app 4.0 (New version)

Comm Manager 1.7 (new version)

Comm vibrate button

SIM Manager 6.16 (New version)

Bluetooth FTP 1.2 (New build)

SAP Settings 2.02 (New build)

Task Manager 1.51 (new build)

Audio Manager 1.2 (New version)

HTC Bluetooth QuickLink (new version)

HTC Home 1.5 (New 6-tabs version)

Today Music Plug-in (New build, compatible with Audio Manager and WMP)

Voice Recorder 1.10 (New version)

ArcSoft MMS 4.0 (New version)

Streaming Player 2.10h (New version)

GIF Player 1.10

Adobe Acrobat Reader LE 2.0 (New version)

Adobe Flash Lite 2.1

Pocket RAR 3.60

Jbed Java Midlet Manager 2007.04.25

Jeyo SMS Backup 1.1

SuperBright (VJLumosIII)

FlashLight (VJCandelaLite)

FieldTest 1.57

Advanced configuration tool (New version)

Automatic operator settings configuration (new version)

VoIP configuration (New version)

Some tweaks:

OS only ROM

Free extended ROM

4MB pagepool

Big storage

Optimized cache

Best Bluetooth A2DP settings

Bluetooth DUN support

Avoid MicroSD issues

SDHC support

Improved power management

Error report disabled

Customer feedback removed

Integration with Vista WMDC

Date on single line

3G icon & prefix

Nicer 3G icon

Nicer PINpad

Nicer font

Nicer keyboard

New official bootscreen

New shortcuts keys (New SMS, battery, Task Manager, soft-reset,...)

Button 5 mapped to New SMS

Subfolders in Start menu

Schap's theme

Schap's Comm Manager (12 functions)

Schap's battery indicator

Schap's Power & Wireless service Manager (shows Bluetooth/Wi-Fi on traybar)

Schap's Vista look icons

Extra bonus:

Official HTC black theme & backgrounds

Schap's splash screens (from my former ROMs)

Schap's 12-button Comm Manager (Purple/Black/Cyan versions)

Schap's Kaiser style 9-button Comm Manager

http://xdaforums.com/showthread.php?t=318849