In this day of age, it's very practical to have a Windows 7 installation on your USB key, for many netbooks and devices don't come with CD/DVD drives anymore.
FLAC is an audio file that enables you to play songs without the lost of sound quality unlike MP3 files for instance. I will show you what you need to do in order to play FLAC in Windows 7 - Media Player 12 .
Neat little trick to force the preview images of running programs in Windows 7 taskbar or a so called Aero Peek, to show instantly with no delay at all.