Babysteps. Apple’s doing the right thing, picking one market, and trying to clobber the bejeezus out of it, at a time. As for the other bits, have no doubt they will get their own events, likely introduced with Leopard at a wild RDF-laden nationwide Apple party (with small pockets of sympathetic partygoers scattered across the globe.
Coincidentally according to Daring Fireball it appears that the OS X on the iPhone is an embedded OS X, not a binary compatible Mac OS X (which is really not a huge surprise). Gruber also speculates that it’s running on an ARM CPU, which also makes sense as most of the smart/PDA market is on ARM or ARM derivative CPUs (even Intel’s XScale was related to the ARM architecture).

