> I'll second that but now Matt has me curious: 'as fine as the that 
> card can [perform]'.. what does that imply?  It's a half-duplex 
> card.. beyond that, what other limitations are we looking at here?

To be more precise: the on-board 10baseT transceiver is half-duplex only.
You can have full-duplex when using the MII connector with a full-duplex
capable transceiver.

-pk