Has anyone experienced USB conflicts with the NZ90 cradle and a USB mini drive? On two different computers, the Clie has failed to hot sync after transferring some files with the mini drive. (No hub was used, just the built-in USB ports). It has required a restart for the Clie hot sync to work again. The same USB mini drive did not cause this problem with an NX70 unit and cradle. I'm wondering if it isn't some kind of driver issue for the NZ90.