The big players in digital camera flash memory are Sandisk and Toshiba .

FORBES: Magazine Article

Sadly, the iPod, iPhone, Zune and Windows Mobile aren't supported yet, but the rest of the device list is pretty decent: it includes the BlackBerry Pearl, Storm, and Curve, the G1, Sony Ericsson Cybershot and Walkman phones, the Kindle, Nokia N and E-series phones, and most digital cameras and flash-based camcorders.

ENGADGET: DVD Jon's DoubleTwist device-management software enters public beta

Most of the discussion around cell phone cannibalization focuses on PDAs or digital cameras, but flash-based MP3 players are lower-hanging fruit.

ENGADGET: Switched On: Motorola will play shuffle-bored on deck