I don't really like the GPL also. Make's it basically useless in a closed application but this isn't the place to rant.
MIT is more widely known and understood, though.
here are two very handy articles about the differences between open source (and other) licenses
http://www.smashingmagazine.com/2010/03/24/a-short-guide-to-...
http://en.wikipedia.org/wiki/Comparison_of_free_and_open_sou...