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read my post and read the anandtech crysis results which confirm my post.
2560 res high quality on 30"+ LCD.... Again I cleared mentioned "upto 1680*1050" sane resolutions. 2560 res gamers are too rare and too rich. They can go tri and quad sli and dont have to stick to crossfire.
My mistake i read hastily as i was in a hurry.AFAIK,some games like COD 4, u can play even with 8800 gt sli.Anyway,u said that even 9800 gtx sli is faster than 4870 CF,which if u read the whole review would have understood that it's not true.I'd say, 1080p would be a sane resolution for gamers right now, what with good quality 24" LCD's now becoming available at relatively low-price.At that resolution,u can see that 4870 CF scales really well even in crysis.(SIP-S)
*www.bit-tech.net/hardware/2008/07/11/summer-2008-graphics-performance-roundup/1
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See the history of driver release for previous gen cards of AMD. All they kept doing was to improve fps in games in which their fps was already good and did little about the games in which they sucked.
When the drivers first came,the 3870 in CF had the similar performance as a single 3870.U've apparently not followed the history of driver releases closely.Same'd be the case with 4870x2..(though it can beat gtx 260 sli in crysis remains to be seen)