You're welcome and yes, I think you will be fine with that GPU as it is faster than 80% or more of gamers GPU's out there. It will be another couple of years before you should start thinking about having to upgrade from the GTX 260 and even then you can probably stretch it out another year or so depending on the games and resolutions you play...
------------------------------EVGA 780i mobo | EVGA GTX 275 | Q9550 OC @ 3.6Ghz | 8Ghz 1066Mhz Corsair Memory | Corsair 1000 watt PSU | Coolermaster Stacker CM830 Case | Ultra TEC CPU Cooler | Vista Ultimate 64
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