http://bugs.winehq.org/show_bug.cgi?id=12302
--- Comment #9 from Brian K brikeener@gmail.com 2008-04-09 14:24:50 --- I tried a few older pci ethernet cards, including a Linksys LNE100TX (tulip) and some generic Rhine adapter I had laying around.
No change at all, still nothing but lag.
Windows is still smooth as silk.