i have a sandisk cruzer titanium (2nd gen) flash drive, works perfectly fine on my vista machine. but when i use it on my macbook i have issues. the device shows up and i am able to access my files .. sorta. for example if i transfer an mp3 album from the flash drive to the mac it will get stuck and i wont be able to access anything on the flash drive. tried many times gets stuck at random points. also formated the drive on vista. any suggestions?