Here is a list of phones known to work
http://maemo.org/maemowiki/Bluetooth...ight=%28dun%29

I personally have tried the
Moto KRZR
Moto Q (kinda works with pdanet but its a crappy phone)
Sanyo SCP-8400
and now I am using the Samsung SPH-M620 UpStage

All of these phones have been CDMA phones. I really like the speed sprint offers.