Yet another PSU suggestion thread

[Skag]

Hi all,

I've put together a PC with 2 of these babies
http://www.ebuyer.com/483267-his-7970-iceq-x-3gb-gddr5-pci-e-dvi-hdmi-2xmini-dp-h797qm3g2m

and a
http://www.ebuyer.com/429987-corsair-cx-series-cx-750m-atx-power-supply-cp-9020061-uk

The rest is minimal, a 500GB HD and an 3300 AMD cpu with 4GB Ram.

Any recommendations/suggestions on the psu for the graphics cards? I've read that a(ny) corsair 750W should do for them. They draw 510W on the wall under load.

Thanks

P.S. I'm looking on a thumps up or down