so wait will my 5870 do good since ive been reading that 5830's are like the best card to mine??
sorry im a noob and i didnt mean for my 1st post to be this
i was actually going to post in a different thread but this one caught my eye 
sorry im a noob and i didnt mean for my 1st post to be this
i was actually going to post in a different thread but this one caught my eye https://en.bitcoin.it/wiki/Mining_hardware_comparison The 5830 is the best bang for your buck RIGHT NOW. I don't know what you paid for your 5870 but it's much better for mining than a 5830 ignoring cost