We just talked to Uday Keshavdas at the Intel booth here at the Pepcom event at CES, and when we pressed him on Apple's rumored use of their new Silverthorne mobile chipset, he said:

"To be honest, we really don't know yet. We're waiting to hear."

What's that mean? Beats me, but OMG Apple UMPCs! iPhone 2iPhone 3!