For those die hard AMD fans on a tight budget the x2 3600 seems to be a nice choice default clock 2 gig but can overclock to x2 5000 speeds of 2.6 gig
http://www.xbitlabs.com/articles/cpu...x2-3600_3.html
Im currently playing with one of these on an Asrock 40 quid mobo so its another cheap dream