"Time Traveler" - During which the PC character goes to the year 2150 to see if PCs have become any less error-prone.
"Stacks" - PC is having trouble finding people's faces in his huge photo stacks, so Mac pimps the new facial recognition software contained in iPhoto. This is an obvious shot across the bow of that cute little girl who showed us how "easy" it was to do photo editing on a PC.
"Legal Copy" - PC wants us to believe he's easy to use, but the lawyers say otherwise.