Dragon Global has released their ShowAnalyzer commercial detection software for HTPCs as a public beta. This version of ShowAnalyzer works with Windows 7 and brings many great commercial skipping improvements to the table.
If you were one of the private beta testers for ShowAnalyzer, Jere, the developer of SA is giving you a one-year free upgrades license! Current paid customers get a license for free as well.
For newcomers to Show Analyzer, buy before 10/22/2009 and you get lifetime free upgrades for $19.98. After that it will cost $29.98 with one-year upgrades.
If you use SageTV or BeyondTV or one of the many other HTPC software programs and want to know how to get commercial skipping working with your Home Theater PC setup check out this article.