If you don't already have a standing pre-order, wait for them to come out. The first ones with orders in, will be the first shipped, and they will be the ones to make a killing on mining with ASIC. That $160 Jalapeno will be just like a $160 7770 now, making pennies/day and decreasing. You may never recoup initial investment.
I promise that in the first hundred pre-orders, there will be many, many, many Th/s added to the global hashrate making it difficult for the later orders to make money.