I've tried using the audio drivers that come with Parallels 4, and I've tried downloading new ones, but the results are always the same: all audio produced buy the VM is garbled and stutters horribly. I've even tried using the drivers included with Boot Camp, but they won't install at all. I'm running on an early 2008 MBP with OS 10.5.5. I've assigned 2 GB RAM to my VM, as well as both cores of my C2D. Anyone else having this problem?