I haven't tried this myself. But, I heard Steve Gibson rave about this on the Security Now! podcast. So, I thought I'd mention this utility here...

allSnap

Its author describes it as a small system tray app that makes all top level windows automatically align like they do in programs such as Winamp or Photoshop.

I suspect it is something that either immediately strikes you as a must-have or a uninstall-this kind of thing. Let me know how you like it. I'm on the fence about trying it out :-)