Welcome to the Clean and Simple Sprint Apache ROM, now based on the released Unified Kitchen! This should be the lightest and quickest AKU 3.5 ROM available for Sprint PPC-6700s.
DO NOT INSTALL THIS IF SPRINT IS NOT YOUR CARRIER. Seriously. I'll post the generic version later, but since I'm using EVDO (rev 0, alas) as my PC internet connection uploading these installers takes forever.
What's missing:
Transcriber
Stupid T9 input panel
ClearStorage
Some unnecessary graphics
Cyberon Voice Dial
WModem (Internet Sharing is included and replaces WModem)
A few other minor deletions, think of this ROM as "finely sculpted" ;^)
What's added:
WM6 Crossbow themes
OSX Graphite keyboard skin, which goes nicely with the WM6 stuff
Calibri and Cambria fonts from Office 2007
Midlet Manager, a Java virtual machine (for running things like the mobile Gmail applet)
Sprint bootscreen
Sprint phone customizations (no ExtROM needed, do with it what you will)
Some registry tweakage ("She'll make point five past lightspeed. She may not look like much, but she's got it where it counts, kid. I've made a lot of special modifications myself.")
As always, installation is pretty simple. Just plug in your device USB and run the installer. Follow the directions.
Disclaimer: No official support for this, kids, but really, it's just about impossible to irreversibly brick these phones. Just follow the directions and you'll be fine.