Not content to be simply a web-based blog aggregator, Regator now offers "a bite of the blogosphere" on your iPhone. Both the site and the app opt for "qualified human editors" to winnow out the best stories, rather than you just blindly subscribing to another RSS feed and hoping for the best.
While the app has some nice features (like taking you to the actual blog post within Regator, rather than launching a separate Safari window), it's still lacking some of the web features like saving favorite blogs and searches — although these may show up in a future, premium version.
In the meanwhile, version 1.0.1's on iTunes and free of charge. Here's a quick video demo: