How has Git changed the way you think about version control?
Coming from CVS and ClearCase it took me some time to adopt to Git. The fact that it was distributed was confusing at first, for example, because I thought that would cause chaos. But the way we used it was actually not "that distributed". But once I understood how it worked, not doing DVCS was "the wrong way" immediately.
I had a sad incident where I had committed changes but not pushed, and then I accidentally spilled a drink on my computer and bricked it. Even though this is unlikely to happen again because I won't bring open containers like mugs or bowls of soup around computers anymore (water bottles are fine), and it was only three hours of work lost, because of this incident I do not feel I have saved until I have pushed. "What if you brick your computer again, huh, where's all that progress now?"
But overall I agree about decoupling saving changes from actually publishing them!