I had two FA-310TX cards and a Netgear FA-311TX had problems with all three.  Both of the 310s would stop working after a while - couldn't ping anything or get packets further than the card.  The FA-311 started making my machine reboot during online games.  Had problems in NT4 as well as Windows 2000.  In frustration, I spent a little more and bought a 3Com 3C905 and it's been rock solid.  Great price and probably a good card for most people, but I had zero luck with it.