These are apps I tested so far. I don't run all of these every day however I do have to support users that do so i have tested extensivly.
Resco Explorer
Resco Pocket Radio
Resco keyboard Pro
SPB Weather
SPB Airislands
Agenda Fusion
Agenda One
Developer One RapidCalc
Screen Snap
Pocket Mechanic Professional
Sling but runs slow as compared to my 6700
CooTek TouchPal free until december a must try
WorldMate Professional
TomTom
Celerant (Java)
Rampart Chess
HTC Home Customizer v1.0b5 minor issues
google maps
S2U2 .86
PC Anywhere
Real VNC Mobile works better then mocha
Cisco Wireless Secure
Symbol/Motorola AirBeam Manager