A quite good (AM/SW)/FM/DAB/DVB-T USB dongle.
Mirics FlexiTV MSi3101 (two chips MSi001+MSi2500)
http://www.mirics.com
http://www.mirics.com/node/31
Data sheets available, register yourself at Mirics portal.
RF Tuner: MSi001/MSi002 ( used by FUNcubrePro+ ?), seems better than R820T
ADC and HiSpeed USB interface: MSi2500 . ADC 10 bit , better than
8 bit RTL2832U aDC.
Windows binary software available: FMDABplayer, DVB_T decoder,
Windows lib.dll and API doc.
IO-DATA GV-TV100 stick sold on Japan .
Stick, chips and dev board available from Mirics.
Linux software at address
http://cgit.osmocom.org/libmirisdr/
It seems project on stand-by .
Can author Steve Markgraf comment ?
Francesco