This isn't the first product to come down the pipeline offering portable audio recording capabilities for the iPod, but the new ProTrack from Alesis is definitely the most feature-rich. According to the press release, the ProTrack is "the world's first professional handheld digital stereo recorder for iPod" with two…
The Pitch: Use your iPod for mobile podcast/audio recording.
The Lightsnake XLR Intelligent Microphone Cable can take any XLR device, from mics to keyboards, and connect them to your PC or Mac through USB. It requires no drivers, and is Garageband compatible out of the box.