Let me check my crystal ball..
.. if they don't run off with the money
.. if it's delivered on time
.. if it performs as described
Past history with other vendors and Butterfly Labs was a complete lesson on how all this can go wrong.
Don't invest more than you can afford to lose.
I know someone who invested all his bitcoins in BFL, if he had just held the coins, he would have been a $millionaire now!