I have the Ipaq 4700 and used ozVGA to change the rez.

Here is the list of Software I use on the PDA
vxUtil http://www.cam.com/vxutil.html
Spb Pocket Plus http://www.spbsoftwarehouse.com/products/pocketplus/?en
Magic Buttons http://www.trancreative.com/mb.aspx
BetaPlayer http://betaplayer.corecodec.org/
iSilo http://www.isilo.com/
Cash Organizer w/Money Sync http://www.inesoft.com/eng/index.php
Pocket Informant http://www.pocketinformant.com/
Pocket Profiler http://home.wanadoo.nl/p.littlewood/
WifiFoFum http://www.dcs.gla.ac.uk/~hall/WiFiFoFum/