40nm aka Lil' Dragon was supposed to be June IIRC? Haven't checked lately though.
li'l because it's supposed to be little with the tt and e omitted. But I'm just being pedantic.
From what I've read they're supposed to be coming the end of 2009. They usually seem to work in 6 month cycles.
Release a new chip design and market & sell for 6 months, then make a refresh of the current chip design with some tweaks and changes and sell that for another 6 months.
So if they stick to that, we could see RV870/R800 around September/October.