http://www.guru3d.com/article/geforce-gtx-480-3way-sli-review/1
Exactly which game are complaining about scaling in? CoD:MW2? Yeah it's a real shame it can't do better htan 170+FPS.
Er, what? Do you know what "scaling" means? Its the relative increase, not absolute FPS. Tri-sli has poor scaling:
http://www.hardware.info/nl-NL/articles/amdnampoZGCa/Clash_of_the_Titans_3way_SLI_GTX_480_test/13
Oh man, look at that sweet 27% increase that a 3rd card gets you over SLI! (compared to triple crossfire's 47% increase)