Thank you ALL very much for explaining the Warp3D vs Gallium3D difference! :-)
I've had a look at 5000 series cards now, and they are cheaper than my 4000 series card was, when I bought it in 2011! But still, the graphics isn't the "weakest part" in my Sam460ex (at least) in my opinion.
And thank you Alain Thellier - Wazp3D Author
For giving me (us) 3D pre...