Motorola High-Definition Off-Air Receiver (HDT101)
Works well
I tried HDTV tuners from RCA and Samsung before settling on this Motorola.  The Moto is a bit loud but it works perfectly.  Both RCA and Samsung had performance issues, and the Samsung was especially bad (lots of blocky images).  The Moto decodes into clean and sharp images.  I use it with the Gemini HDTV/UHF indoor antenna, and the HDTV is amazing on my Sharp Aquos LCD TV.  This will serve me well until I buy a house and get Voom satellite service.