If you would like to find the mother-lode of Windows 7 tweaks and tips, a great source is the list of tips at The How To Geek's website.
175 Windows 7 Tweaks and Tips:
http://www.howtogeek.com/howto/5391/175-windows-7-tweaks-tips-and-how-to-articles/
Another 175 Windows 7 Tweaks and Tips:
http://www.howtogeek.com/tag/windows-7/
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