One of my favorite new features in Leopard is the ability to have RSS Feeds in Mail. Mail is the mac equivalent of Outlook - Though both have features that the other should dream of and aren’t really equals…
When new items post on a blog I’m following, it will come into an inbox in my mail program just for RSS. Now, it’s almost like bloggers are sending me mail, even though they don’t know they are…. 
I love it.  

I barely have to hop into Safari.