Some clever exploring of Apple's discussion forum has revealed several new products that are believed to be part of today's announcements.
Category 277 - Reserved 10 20
Category 278 - iMovie '11
Category 279 - GarageBand '11
Category 280 - iPhoto '11
Category 281 - MBA (Need official name)
iLife '11 was revealed as well as one simply "Reserved 10 20" which could represent a new iLife application. The MacBook Air appears to have also gotten a new category for unclear reasons. A MacBook Air category already exists.
Article Link: iLife '11, MacBook Air and Possible New Product Revealed by Apple