i'll take the statement back that you should only buy it if you do overclocking.
i can see it's just a pre-overclocked card. you can do that your self for free.
this card is the same card as the one you have chosen, yours are just pre-overclocked:
Zotac GTX 650 2GB GDDR5 Dual DVI Dual HDMI PCI-E.. | Ebuyer.com
i can see that you do get assassins creed 3 included in the deal...
so i guess if you don't already have that game it might be a good deal.