The iPAQ 3600 series can display 12-bit color, 4096 colors
The iPAQ 3635 has 32MB of RAM/16MB ROM
I have an iPAQ 3700 series which has PocketPC2002 on the ROM with 32MB RAM/32MB ROM
The iPAQ 3800 series comes with 64MB RAM/32MB ROM, PocketPC2002, and 16-bit color
Programs I use:
Unit Converter
Jimmy Landscape (screen rotation, 240x320, 320x240, 480x360, 360x480, 640x480, 480x640)
PocketTV (MPEG Playback)
PocketDIVX (AVI, DIVX playback)
Ewallet (keeps track of CC #'s, automobile info, bank accounts, etc.)
iPAQ Panel 2002 (memory, battery, backlight status from Today screen)
Validate (hides program icons when storage card is removed if progs are stored to storage card)
Pocket Money 2002
PocketSlides (powerpoint viewer, editor)
FTPVIEW (ftp proggy, file explorer)
iPAQ CLK (overclocker/underclocker, 162MHz - 236Mhz)
Resco Picture Viewer
Resco Zip
Napier (financial calculator)
Pocket Streets 2002
Regedit CE
ZapIt (program killer)
WIMR (where is my ram?)
Plus the apps burned into the PocketPC2002 ROM
Windows Media Player 8
Reader
Terminal Services
Word w/Spell Checker
6.5MB of FileStore