I have that in mind from day 1!
I will try to find something for you in advance before samples come out:)
When arer you going to need them Yesterday?
No jocks when do you think you will get to the point that lack of chips will stop the development?
I won't be ready to really use them until I have a PIC programmed and signalling data to the ASIC pins. I doubt that will be within a week. It should be before two weeks, end of May.
If I have boards first I'll build and test one without the ASIC. If I don't have boards first I'll put an ASIC on a proto-board already sitting in Bkk, and connect the PIC to test my code. It should mine even if at low clock to prevent overheating. (Thank you Dangerous Prototypes for making easy, cheap proto-boards). That way when a board arrives I'll know the code works and it's just the board I'm debugging. Or the other way round.
If I get into June and have a programmed PIC and working power supply on board but no chips, then I'll be stalled.