Bill
I went from the GTX 285 to the Quadro 4000 –and yeah the 285 has for cuda cores as I believe the 570 does as well over the 4000 —
BUT (now i don’t know a ton about video cards) but its basically the design and architecture of the 4000 that the programs are written to work with those types of cards.
that said the 570 will work and I had no problem with my 285 –I just elected to stay with cards that are native supported by the OS.
I did notice difference with cs6 and AE and Premiere with the 4000 -and Chris is right –its a single card
more room for more goodies.
Matt