Apple has announce new G4 iBooks today, in addition to the recently speed-bumped PowerBooks. The new machines start at £849 (incl VAT) for a 12-inch, 800 MHz model, rising to £1199 for the 1GHz 14-inch version. This, naturally, only adds to the dilemma of deciding which machine - iBook or PowerBook - should replace my much-travelled, endearingly-coffee-stained-but-now-rather-obsolete first edition iBook. Decisions, decisions...