I can only hope that this would make it a whole lot easier to setup, configure and manage. The joys of writing horrible config files in convoluted XML can only be tolerated for so long.
IMHO the only ESB worse in this area than Fuse is WS02. Three of us really tried to get this working late last year but it was an experience I really don't want to repeat especially coming right after evaluating Fuse.
It might be ok as a basic ESB but trying to get it to use a service registry was a real nightmare.
Whatever happens, RH have a lot of work ahead of them to blend/merge this into JBOSS/ESB (or whatever it is called this week).