If you've been pondering the best way to get unencrypted QAM into your Home Theater PC, I highly recommend the SiliconDust HDHomeRun tuner. It connects via the ethernet so it won't take up any space inside your computer or USB ports, can tune unencrypted QAM (digital/SD & HD) channels as well as OTA HD channels and it's a dual tuner to boot. I’ve seen specials on the HDHR anywhere for $130 to $145 and today's deal is right in that range.
SiliconDust HDHomeRun Dual QAM Tuner 
$138.99 with free shipping at Newegg (affiliate). Add the HDHR to your shopping cart and enter promo code EMCBABEDC which lowers the price from $168.99 to $138.99
The HDHomeRun works with the following Software:
- Windows Media Center:
- MCE 2005 32-bit
- MCE 2005 64-bit
- Vista MCE 32-bit
- Vista MCE 64-bit
- SageTV - HTPC software for Windows XP, Windows Vista, Windows Home Server, Mac & Linux
- SnapStream BeyondTV - DVR for Windows
- Elgato EyeTV - DVR for Mac
- MythTV - DVR for Linux
- MediaPortal - DVR for Windows
- GB-PVR - DVR for Windows
- VLC - Multi-platform media viewer
- TSReader - MPEG-2 transport stream analysis
To check which channels are available to you through clear QAM, check out
SiliconDusts Clear QAM database by inputing your zipcode and selecting your cable provider.
If you want to research the HDHR a little more before buying
check out my review of the device from last year
