I've been using Bloglines to access loads of Newsfeeds for the last couple of weeks - it has the great advantage of giving me access wherever I'm working. I tend to do most of my blogging whilst slacking (oh the joys of being freelance!) and very rarely from home so it's perfect.
One annoying thing though is when I find a site I'd like to track that doesn't offer RSS (shame on them!) myRSS though seems to be able to help out