you are the one of those who still do not understand it. i am 99,99999% sure that this statement is for the 1-500 spots in the 7 days window :-)
I understand that 890 guys bought a fast and power efficient ASIC that will last longer then any other existing ASIC.
Even if you "lose" 1 month of mining, because you didn't had a low pre-order number, on a long term, you will still mine lots of bitcoin.
Also I received an email monday coming from KNC that said :
As far as we can see everyone who has paid within the first 7 days will be shipped in September/October.