help with graphics card again!?

[alexius]

http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&category=67864&item=5143957222&rd=1&ssPageName=WDVW
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shall i get this


or

http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&category=67864&item=5144557232&rd=1&ssPageName=WDVW
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shal i get this

im sure its been asked loads of time but i am really confused about which card to get and i would be grate full if some one could direct me and get some opinons