> x5000 is shipped with Warp3D Nova card with no older Warp3D support

All cards supported by Warp3D Nova are also supported by "older Warp3D" via Warp3D-SI.

> any full PCI-E card support (with full 3D) after 9600 and X14xx

R3xx: 9800 XT
R4xx: X800/X850 XT
R5xx: X1950 Pro/XT (also, there is no X14xx)

> or whatever were the last PCI models

Why not AGP?

> would be great 3.11+ archievement.

You mean 3.12+. 3.11 has already been released.

> I suppose these drivers could be legacy backported to x64 if needed

I don't think any port to x64 would classify as a backport ;-)

> Topic is Peg2 but also about MOS gfx cards.

Chain-Q's comment you replied to and quoted twice was only about graphics cards on Pegasos II running MorphOS.