I don't regularly use desktop or web-based RSS feed aggregators for the fact that they take the content away from its context. It usually doesn't add much, but sometimes I can gauge things like professionalism and creativity of the writer (such as is the case with Scott Hanselman's blog--it's snappy layout reinforces its content). Besides, tech blogs usually come through with code samples all screwy, images out of whack, and a variety of other distortions.
What I do enjoy about them, however, is independent of their presentation: knowing what I've read, informing me of new content, and allowing me to categorize feeds.
Enter Google Reader's "Next" bookmarklet. I'll admit I glossed over the "official" blog post back in June, which reminded users about the feature. If I want "Next" I'll just go to the web site and hit "j", I may have thunk. But alas, it's not that at all.
It's a web link that takes you to the site itself, in it's original context. Plus, it logs that you've read the post. Keep clicking the link, keep getting the next unread post in line. Plus, you can have separate links for different categories. It reminds me of a self-controlled webring (remember those?), which is always in tune with my interests. Brilliant!
Next step--Figure out how to hotkey that sucker. I can do some goofy stuff with the default bookmarks, but since I use the del.icio.us plugin, I'd rather keep it in there and have it hotkeyed...