I'll admit it. Losing that is a bit scary in some ways. It does lead to some laziness though. But sometimes it's awesome to remove a property from an object and have the compiler tell you all the places that are broken now.

On a similar note. I've followed your Playtomic blog a bit and it helped me make the jump to MongoDB for our gamification platform. (We still use SqlServer for lots of things though) Here's to trying new types of kool-aid! :)