you buy a 110€ card LOL! the cloused source guys Buy a CrossfireX 4 Pices of HD5970 for 4000€ or more!
and your lie about 4xxx you opensource guy buy a 110€ card and the cloused one buy a crossfireX 4 pices of hd4890 or hd4870x2 or fireGL cards for 1000€ or 2000€
my spoken is right and you are the Proofed validation only you buy 4xxx 110€ card and the cloused one 3000€ card and you buy a 5xxx 200€ and the cloused one buy 3000€ card-
you are just naiv telling AMD they should get 200€ because the 3000€ from the cloused guys are bad..