alright, assuming i go new 7850, which one? I would clock it so with that in mind what would i OC it to off the bat core/mem-clock and volts?
http://www.overclockers.co.uk/showproduct.php?prodid=GX-289-AS
http://www.overclockers.co.uk/showproduct.php?prodid=GX-154-MS
http://www.overclockers.co.uk/showproduct.php?prodid=GX-157-MS
B@
http://www.overclockers.co.uk/showproduct.php?prodid=GX-289-AS
http://www.overclockers.co.uk/showproduct.php?prodid=GX-154-MS
http://www.overclockers.co.uk/showproduct.php?prodid=GX-157-MS
B@


I myself tried a Q6600 overclocked 3.6GHz with my 5850 on a Corsair CX400 (a quality Seasonic unit)...and despite PSU got what it takes to handle the system, the fan noise was SO loud that even using headphone couldn't completely block it out