Ever thought of developing simple & nice cross-platform applications without sweating? Nokia Qt C++ frameworks empowers you to do so. To get started, first install the Qt SDK with IDE and of course famous GNU compiler chain GCC, branded under MinGW for Windows.
Get the framework, IDE & tool chain from: http://qt.nokia.com/downloads/sdk-windows-cpp
If you are interested in particular parts of MinGW, look here: http://sourceforge.net/projects/mingw/files/
Just follow default steps and you are safe. If you are interested in free M$ C/C++ compiler, just download the Qt source and build it yourself.
Now you are ready to play with magic. To appreciate Qt, run QtDemo and also watch some clips & read some stuff: