They are cheap and if you are running XP you won't have to do to much but install the card. Is your computer to be the primary or were you planning on networking with another? Basically, if you are going into an outside network you just need to connect your NIC card and cable to a Hub on the network and you are ready to go!
Noli Nothis Permittere Te Terere!!
EVGA 680i, Dual EVGA 8800GT'S (650/950), 4 gigs OCZ DDR2 1066, Intel Q9450 at 3.8 Ghz, Koolance Water Cooled, Dual Plextor16x DL DVD+/-RW. Dual WD 250gb 16mb Cache Sata 3.0. 3DMark06 score = 19,168.