According to this CNet article:
IBM said today that it plans to show off a ThinkPad notebook based on a processor from upstart Transmeta at a trade show later this month.
Transmeta made waves in January when it announced their unique software/hardware low-power processor (Crusoe Explored). Since the announcement, there has been speculation that a PPC version would follow. Certainly x86 mainstream acceptance would probably be required before Transmeta explores less popular processors.
Apple can't wait for Motorola/IBM forever. A MacRumors reader wrote in to revive old AMD/Apple partnership rumors - claiming AMD plans to meet with Apple on producing new chips for Mac, but from our perspective Mac OS X Intel isn't going to happen soon despite MacOS Rumors' speculation on DP4 x86 code modification dates (posted today) and AMD branded PPC's are even more unlikely..