Hey guys i am new to mining.I bought my pc 1 month ago and i didn't knew about the mining.. SO i bought a gaming GPU Palit gtx570 Sonic platinum...
I want to buy a new video card Radeon HD5870 and use it for mining with my nvidia card.
Is this possbile?? My configuration is


MOTHER BOARD:ASROCK p67 extreme 4 http://www.asrock.com/mb/vga.asp?Model=P67%20Extreme4
CPU:i7 2600K+Noctua dh14 @ stock
RAM:8gb Corsair Vengeance
MOTHER BOARD:ASROCK p67 extreme 4
GPU:palit GTX 570 Sonic platinum
PSU:700W COOLERMASTER silent pro M700
CASE:Coolermaster CM69
OS:Windows 7

What do you guys think ? Is this possbile currently with the gtx 570 and GUI MINER i am on  130 Mhash/s with my videocard slithly overclocked.Please help