ok, i have an ATI X550, its not the best card in the world but it was cheap anyway i got upped the core clock from 200mhz to 400mhz and raised the memory clock a bit.
from doing this I got my card rating from 3.6 to 4.1 which im pretty pleased with for my first O/C
from doing this I got my card rating from 3.6 to 4.1 which im pretty pleased with for my first O/C