palm-sized cameras for an enthusiasts toy box

Casio superfast camera 1,200 frames per second

casio one is to capture slo mo (bullet blasting through apple)
Casio High-Speed Exilim EX-FC100 9 MP Digital Camera with 5x Optical Image Stabilized Zoom and 2.7-inch LCD (Black)

Sigma DP2 foveon 14 megapixel direct capture camera

foveon is to capture intricate fabric detail (every pixel has R, G, and B captured, not extrapolated)
Sigma DP2 14MP FOVEON CMOS Sensor Digital Camera with 2.5 Inch TFT LCD

Fuji super high dynamic range camera

Fuji's CMOS sensor captures 2 shots in one - one low light and one high light, and smashes them together to
achieve a high dynamic range shot (previously you'd have to bracket the same shot yourself, and smash the shots together with software)
Fujifilm FinePix F200EXR 12MP Super CCD Digital Camera with 5x Wide Angle Dual Image Stabilized Optical Zoom