When attaching a Zune to Parallels build 5600 the host OS (windows Vista sp1, with appropriate zune drivers installed) will freeze. Parallels freezes to the point that I have to restart the computer to get it to boot a VM again. This has happened on two different Macs with two different Windows Vista Installs. Unfortunately Fusion works fine with the Zune but I don't care for Fusion. Unfortunately I didn't try with a build prior to 5600 so don't know if this is a new issue or not. Of course I could buy and IPOD, but then i could have bought a DELL so all those remarks are of no value. Thanks dave.