If this is only happening on Vista with Gb ethernet, it might be related to this problem: [URL]http://blogs.technet.com/markrussinovich/archive/2007/08/27/1833290.aspx[/URL]

Apparently Vista drops network throughput to about 15% when media/sound functions are used. The link contains all the (seriously in-depth) info on it.

D'oh, didn't see page 2, it was already answered!