OP obviously a GPU miner and maybe butt hurt after he spent $300 on a 7000 series GPU outputting 300mhash, and now people are able to buy USB miners 3rd of the price to compete against those last few GPU miners that are still in the game.

my suggestion is dont spend $300 on a GPU. buy 3xUSB miners. atleast your hash rate per dollar will be higher, and electricity bill will be lower.

or rent hash power from an ASIC miner if you cant afford to buy one in full

heres some maths.

buy 10 units totalling 3,400 mhash. revenue 2.5BTC this month.
buy 11th unit next month to compensate a 10% rise in difficulty. and pocket 1.5BTC

rinse and repeat for a constant never ending 1.5BTC income per month.