USB Missile Launcher:
http://reviews.pcapex.com/miscellaneous/dream_cheeky_usb_missile_launcher.php
USB Mini Fridge:
http://gizmodo.com/gadgets/chill-out/usb-mini-fridge-chills-drinks-fast-right-at-your-desk-262124.php
USB Rechargable Batteries:
http://www.trustedreviews.com/article.aspx?art=3448