I think I remember reading on microsoft's site that Windows XP Media Center Edition is built on Windows XP pro. So I guess the media center has the ability to assist in remote desktops.
Do a test with someone to see if you can do it?
What do you want to exactly do, just transfer files?
AMD Athlon XP 2400+ Mobile 1.8ghz OC to 2.388ghz 217fsb at 1.825 volts
PDP 2x512mb dual channel PC3200 2.5-3-3-11 2.9 volts
Leadtek 6800nu OC to 404/869
Albatron KX18D Pro 1.06 bios
Antec PSU SL350
Windows XP SP2