The miserable state of graphics cards & OpenGL performance

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http://ubuntuforums.org – I am furious to say the least. I am building an Ubuntu desktop PC to use for high performance computing, i.e. modeling, running Physics & Engineering simulations...etc. I got everything figured out in a couple of hours, processor, ram, mobo...EXCEPT the graphics card, and I hate to say that the picture is not bright for the linux user, here is how it goes: DISCLAIMER: if you find any of what I say here inaccurate, I will be delighted to hear the correction. - It's a linux box, so I'll opt for Nvidia, as AMD linux driver support is not up to par, not yet, and it seems like it never will ( (Hardware)