Zoom Q2HD – HD video with very quality microphones for high fidelity audio (~$199). Allow USB streaming and direct connection to computer for recording to your computer’s hard drive. Also doubles as a stand-along USB microphone. Very versatile and a great value.
Apple iPod Touch - an iOS device that does much more than just play MP3 or take photos.
USB Microphones are extremely handy and easy to use with a computer. They are essentially plug and play.
Samson Go Mic – Tiny, affordable, USB mic – great sound for your recordings or Skype session ($40 street)