> Not much point in running a 32-bit OS on a 64-bit system is there?
Actually, there is a point. If it's still 32-bit compatible (true), then the fast 64-bit integers can give quite a boost to the math librarys.
Not to talk about 64-bit applications(!).
But on the other hand, the waiting for a 64-bit PPC to be available for the A1 can be a long one.