From the Griffin Technologies Web-site...
iTalk Pro is perfect for capturing how the world around you really sounds.
Whether you're taking lecture notes, conducting an interview, or just want to bring the sounds of the great outdoors indoors, your only limitations are your iPod's capacity, and your own imagination.
iTalk's twin built-in mics record directly to your iPod, and adjustable gain settings give you control over the volume. You can even use external microphones with iTalk Pro. Just plug your mic into the 3.5mm jack on the bottom of iTalk Pro.
All of this for $49.99! So if you have an iPod and you may want to do a little Live! recording using it's built in Stereo mics or your own external mic check out the iTalk Pro...it's probably JUST what you're looking for!