did any new 6XXX series owner ; 6850, 6870, 6950, 6970 having problem with older games? Like warcraft III? graphic glitches and corrupt especially in menu. I want some comments else im taking my 6870 to RMA. 

YESH, finally a reply on this. I tot it's just me. I posted here a few weeks go, asking any1 having this issue but no reply.
Guess it's the driver problem that causes this?
On my old rig, no problem. Smooth with avg fps 60. I tot the GC too powerful to handle such an old game 

Oh ya, with my old rig, I get avg 60fps but I'm having the same fps with my new rig also. Tot will get bit higher like 65-68fps.
Max for War3 is 60fps?

why u need more than 60fps for strategy games? better save the power..

it should that range.. not like FPS games which is most of the time benefit from higher fps..
limiting the fps will not strain the gpu.. save power, less heat and maybe prolong the gpu life span..
so highest is not always better..

I setup my desktop with ATI HD 6870, the version is 8.78.

Should go to 10.12 or 10.11 ?

It's actually half correct to say the 6 series 'replaces' the 5 series, the 6 Series technically fills the gaps between the cards within the 5 series range.
Like been displayed on the post above me...the y-axis (saturn85).

But IMO i think the 6850 truly replaced the 5830 since market wise the 5830 seems too expensive for it's performance, therefore had to be booted out, plus paying the cheaper price for 6850 for better/equal performance  to the more expensive 5830 is more favourable to the consumers.

I like the 6870 bridging the gap between 5850 and 5870, plus you can easily OC the 6870 to equalize the 5870's performance.

The addition of 6950 and 6970 are logical, since the 5970's gap with 5870 is rather huge, therefore need two cards to bridge the gap; and it's more flexible for consumer's this way.

The 6990, is just to piss off Nvidia I guess