There is just too many things to be impressed about already with the WWDC 2011, and they haven't gotten to the iCloud stuff yet. (With the exception of wireless set up for your OS device.)
link to presentation
Apple just rocks.
update 2:20pm: iOS 5 will supported on 3GS. That means they will keep capturing the lower end market.
update 2:35pm: iCloud is the kicking-while-down for Microsoft. (The PC is even more of a commodity now.)