Earlier in the year, we had a preview of Belkin’s GoStudio iPod Recorder.
Belkin has now released full information on the GoStudio, and it looks like it will be a hot, reasonably priced device for recording directly to your iPod.
Here are the details:

Record directly to your iPod in 16-bit, 44kHz digital audio quality
Instantly play back your [...]

BusinessWeek has a review today of Belkin’s TuneStudio for iPod 5th generation, a four-channel audio mixer that lets you create high-quality digital recordings directly onto your iPod.
TuneStudio lets you input up to four different instruments or audio sources, and record the audio directly onto your iPod.
Per BusinessWeek:
Although TuneStudio supports four simultaneous audio inputs, recordings to [...]

The Belkin GoStudio is a portable podcasting studio designed to let you capture high-quality audio recordings on-the-go and then publish directly to iTunes when docked.
Features:

Dock lets you record directly to your iPod
Built-in microphone
Built-in speaker for playback
Inputs: Dual XLR,  1/4 in
Battery powered
Recording meter
Gain control and a compressor/limiter

The Belkin GoStudio is expected to be available this summer.

Belkin has announced TuneStudio for iPod 5th generation (video), the first four-channel audio mixer that lets you create high-quality digital recordings directly onto your iPod. This mixer lets you input up to four different instruments or audio sources, and record the audio directly onto your iPod for instant playback.
Features:

Records directly to iPod in 16-bit, 44kHz [...]