When you already do that a year, than i guess you got lucky some time ago and received some coins.
But now you can stop that, because the GPU-miner totally took over the field - you need your Mhash/s ratio at least above 100 to make some coins with poolmining
You can take a look at some hardware specs here: https://en.bitcoin.it/wiki/Mining_hardware_comparison
But now you can stop that, because the GPU-miner totally took over the field - you need your Mhash/s ratio at least above 100 to make some coins with poolmining
You can take a look at some hardware specs here: https://en.bitcoin.it/wiki/Mining_hardware_comparison