As the others have said, it is different and takes getting used to, but a really smooth workflow is definitely as possible in OSX as it is in Win7. When I’m in Windows I’m more oriented around snapping, like you are, but when I’m in OSX it’s much more based on flicking things away and flicking them back.
In OSX it’s like I’ve got a tiny desk, and I’ve laid out all my papers in tidy stacks, and bring things to the top of the pile when I need them. In Windows it’s like I’ve got a giant workbench, and all my papers are strewn about, but I can see it all at once.
Protip on CMD+C: use your thumb, don’t try and make it ergonomically similar to using CTRL.
And spacebar quick look is VITAL.
To be fair, I’m many years into using OSX and I still don’t understand maximize/minimize window behavior.