EzTV 666 USB DVB-T dongle

Check out these software defined radio images:

EzTV 666 USB DVB-T dongle

Image by csete
EzTV 666 DVB-T dongle is based on the RTL2832U chip and E4000 tuner and can be used as cheap software defined radio receiver between 64 MHz and 1.7 GHz.

Hama Nano

Image by synx508
USB Tuner that can extract up to 3MHz of radio spectrum from anywhere between about 40MHz and 1.7GHz in 8 bit I/Q and poke it down USB for use by a software defined radio (WinRad, HDSDR or GNU Radio).
The Hama Nano is supposed to be a DVB-T dongle, but an undocumented feature in its Realtek chipset opens it up as a general purpose tuner sending raw samples to a software radio.