Mining itself is a fools errand with the extreme high difficulty and $4 dollar per btc. Unless you can run clusters of videocards or fpga, AND you have free electricity. And even then, the initial investment required is huge.
Not a fools errand: current snapshot of miners:
Totals 31.93 GH/s 15150 W ฿ 19.03 ($79.91) / day (after electricity)