I love my linksys. Works great with Linux and Windows. It cost less than $50 (Canadian, so we're talking less than $30) from a big retail chain store...Linksys LNE100TX 10baseT/100baseTX for cheap 
the 3com's were like $100...
Besides, Linksys is Anandtech standard.
High end buyers guide, Value buyers guide, and a review system setup. All linksys
If it's good enough for the AT boys, it's good enough for me
(I linked to the gaming systems in the buyers guide becuase those are my guidlines, but you can look at the others if you like, Linksys or a built in NIC is in them all)
The 3Com's are the highest quality though...and other than the stupid systray icon they create (linksys doens't
) they are excellent cards, just pricey...
the 3com's were like $100...
Besides, Linksys is Anandtech standard.
High end buyers guide, Value buyers guide, and a review system setup. All linksys
The 3Com's are the highest quality though...and other than the stupid systray icon they create (linksys doens't