Reviews, reviews, reviews...

Question: best NIC card for Celeron 2.0 with windows XP

hi, I am using intel celeron cpu 2.00 ghz with windows xp my network card is realtek 8139 Fast Ethernet Card. I was not able get the proper net connection whereas when pluged in to laptop (Toshiba i3) I am getting good connection.
Please let me whether I have to change my NIC if yes what is the best NIC for my celeron computer with XP.?