Never heard of these USB miners - any recommendations of a good cheap one for playing with mining the newer Altcoins as they come out?
AFAIK, the USB-miners only work with sha-256 (bitcoin etc). Correct me, if I'm wrong.
http://m.ebay.com/itm/222576219886?_mwBanner=1
Scrypt usb miners exist
That being said: they're also not profitable to run