Considering that most of the mining devices didn't ship in time to make a profit I would suggest you just buy bitcoins and hold them. (Look at BFL for example)
The difficulty is rising pretty harshly as we speak and you can try and calculate your potential monetary results with this calculator:
http://btcinvest.net/bitcoin-mining-profit-calculator.phpRegardless which option you choose welcome to the community and have fun with your BTC / your mining hardware!
edit: typo