Blogger now supports threading commenting, which (mostly) alleviates the need to quote the person you're responding to or use @soandso. It also helps distinguish between comments responding to other comments and those responding to the post itself.
I've also upgraded to the new Blogger interface, which is similar to the new Gmail interface. It's taking some getting used to, but there are lots of nice features.
So let's try threaded comments! What should we talk about?