At the IDF showcase we demonstrated a number of apps that show off the value and use case of a netbook device. Here are 9 apps for the following categories:

Multimedia
Mezzmo - turns your netbook into a wireless media server, streaming media to media clients like PS3, Xbox, etc.
Boxee - Boxee software give you access to media services and local media files
SnapAct - A polished media management tool for your netbook

iPhone Ports
Smiles - match colorful smiley characters to clear the game board, and turn the game space for strategic game play
Droplitz - turn the dials to get pellets to fall to their home
Ancient Frog - Move a frogs limbs to get him in the right spot to eat a fly

Fun & Creative
PartyBooth - Have fun taking photo booth style photos and share on Facebook
Wizard Brush - Select and edit an array of artistic tools, brushes, and effects to draw and paint like a professional
My Little Artist - Choose from a handful of organic brushes to create artistic effects you never knew you could do.