[jobowoo]

That was the biggest thing I missed about Win7 when I switched over to OSX. However, there are several third-party apps that will give you a Win7-like window management experience. I use Spectacle.

http://spectacleapp.com/

[grimgrin]

Two others:

http://www.irradiatedsoftware.com/sizeup

https://github.com/jigish/slate

I use slate because it's very configurable. Not what some people will be looking for, though.

At work, on Linux, I use quicktile.

https://github.com/ssokolow/quicktile