Wow, is this new or what!?!?!
Microsoft have listened to the feedback from customers and implemented a lot of the stuff that was missing from the current release of WSPS, like a recycle bin, security on each element of a list/document library, support for workflows, full email integration, RSS integration … the list just goes on.
It also sounds as if the migration plan for getting from today’s technology from tomorrow’s is going to be fairly straightforward. At the very least, you’ll be able to run both side-by-side and perform a gradual migration.
I can’t wait!