Maya 2012 Hardware suggestion

[skivi-g]

Hi, i'm working in maya 5-6 years, and now the time has come for new computer. i have a problem to decide which components give the best performanes for maya. currently i'm working in maya 09, but i want to go to maya 2012 and need new hardware, as soon as possible.

so, here's the list of cpus and gpus that i'm looking. can anybody suggest me what's the best sollution?

CPU

Intel XEON Quad Core E5620 (Socket 1366)
Intel XEON Quad Core X3460 (Socket 1156)
Intel XEON Quad Core E3-1240 (Socket 1155)

or

Intel Core I7 3930K (Socket 2011)
Intel Core I7 2600K (Socket 1155)

GPU

NVidia Quadro 4000
NVidia Quadro FX 3800

Or some cheapper Quadro

Ati FirePro V 7800

Or some other GPU (NVidia GTX 570, 580, 590), or ATI HD 6970, 6990.

Thanks a lot guys!!!