need help finding a PSU

[JokerX84]

hi all i have a limit of £75 to £80 for a good PSU, Pc specs of system below any help would be great.

i7 930 @2.8GHz
Asus sabertooth x58 motherboard
6 GIG XMS3 ddr3 1600MHz triple channel ram
cheap £30 650 watt PSU
CM Scout case
250Gb hard drive
2Tb storage drive
EVGA 550Ti OC graphix card (will be replaced with gtx760 mybe 2 of em for sli)
Cooler Master Seidon 120M Watercooling System

 

[snips86x]

YOUR BASKET
1 x BeQuiet Pure Power L8 630W '80 Plus Bronze' Modular Power Supply - With 120mm Silent Wing Fan Built in £79.99
1 x XFX Pro 750W Core Edition '80 Plus Bronze' Power Supply £79.99
1 x XFX Pro 850W Core Edition '80 Plus Bronze' Power Supply £74.99
1 x XFX Pro Series 650W XXX Edition Modular '80 Plus Bronze' Power Supply £74.99
1 x XFX Pro 650W Core Edition '80 Plus Bronze' Power Supply £64.99
Total : £387.55 (includes shipping : £10.50).