your gross should be around 150 per month with that 7950 if you are mining smart.
I'm gonna assume "Hey hashcows, do your thing" is not considered mining smart
Feel free to give some tips.
I get around 650 kh/s average. I've only mined for 2-days non-stop and come up with around .007-.008. So I figure, .003 x 28days x $850 = $70 is my minimum expected if I'm running 28 days worth of mining a month.