I use this this miner to mine on my GPU and it works as it should. The only consideration is that costs more in power then you will get in Bitcoins unless you get power for under $0.05/kw. Another consideration is (depending on how BTC bullish you are) if you think that BTC will go to $10,000 - $100,000 and you save these coins you mine the viability of mining starts to work out at that point.