ok, just got the 6GB card I mentioned previously and I popped it into the device and 5.86GB was what came up - Soooo I guess the answer is Yes, it'll work

and BTW, no soft reset was needed to bounce back and forth to the 2GB card either

Some other great sites for Tilt info and mods
TiltMobility
Xda

Last night I played a blank tape at full blast. The mime next door went nuts.