The Athlon era was fun while it lasted still not bad chips, I used a Athlon II X3 not long ago for a previous build and it coped really well.
Ran games no problem and was fairly snappy, so at £30 you've got a nice little dual core for light tasks and users on an extreme budget. Consumes little power too.
Even though Semprons are another way of saying the Athlons that didn't make it, there's something appealing about the little fellas