(For the ones who did not get the title: Il buono, il brutto, il cattivo)
After a few hours of googling and hacking we managed to set up OpenCV 2.3 in Qt Creator under Windows 7.
There are a lot of forum and blog posts out there about this but none of them uses the new OpenCV 2.3.
If you are full of reading linking errors like
undefined reference to `cvLoadImage’
you might have just arrived at the right post in the Internet.
After you have downloaded the binaries for Windows, you get a nice README suggesting this:
If you have problems add build\bin and one of build\{x86|x64}\{vc9\vc10\mingw}\bin to your system path (to use DLLs)
Flesh and machines 