Eduroam on Linux (Ubuntu,Arch, etc…)
works at :
University of Kent (Canterbury Campus)
Settings in NetworkManager Gnome applet
WPA & WPA2 Entreprise
Protected EAP (PEAP)
Anonymouse Identity : blank
CA Certificate (None)
PEAP Version : Version 0
MSCHAPv2
username : xxxx@kent.ac.uk (change depending on email addres obv.)
password : use you own

If you find this works in your uni feel free to post it i'll try to keep a running
list of unis that this will work for, so google can crawl through them)
This should work if you use Networkmanager. Moblin which does not cannot currently connect to such networks. Anyone with a workaround please leave a comment or mail me!