Sun moves like a sloth
Someone said "quit complaining, they haven't even released a toolkit yet!"
Bah! Sun announced this 13 months ago. I've heard more hype for JavaFX then any of the other RIA engines, all which have toolkits, and most with IDEs, today.
Why wait for them? End of 2008? We'll have Flex 4.0 and Silverlight 3 betas by then.
As for how it performs. An anonymous source at Sun had this to say: "no comment" (okay I made that up).
The only thing we have to go off of right now is bubble mark: