I'm always on the lookout for good mac/win crossdev solutions. So I was really happy that The Cocotron was finally released to the public :). Build Your Windows Apps right from XCode - To good to be true?
Installation was rather hasslefree and I fired up XCode and a small piece of code of mine: xorandor a bin/hex/dec and/or/xor utility.
After some target tweeking it finally compiled and Darwine-0.9.12 did really come up with a thing that somewhat resembled the original. Win XP on [kju:] then showed me, that the result is far closer than I expected:
http://www.cocotron.org, gogogo!