What's new in WF 3.0 RC

Don't trust the title, it is misleading. This isn't a real "what's new" article, and I won't bother you with obvious things, such as the removal of FaultHandlerActivity's Fault property setter ... CompensatableTransactionScopeActivity (I thought I use to make up long class names), blah blah blah ... you could read that on http://wf.netfx3.com/ or on Paul Andrew's blog or so on... I just mean to express my surprise on the changes in the WF designer! It is 1000 times more stable and you don't get as many silly errors, and maybe it's just me but I feel it's even moving faster. Cheers for that!
It's amazing how (without acknowledging it) those small fixes in the flaky designer build up your confidence.