Icon Generator is a little application built on AIR that lets you generate a CS5 or Web 2.0 style icon.
Give the logo name, chose background and text color, you will get the icon.
Some samples:
If you like this icon generator you can download local versions. Three versions are prepared according to the usage. You can use Windows XP/VISTA/7, Mac OS X, Linux.
You need Adobe AIR to run this application.