Details @ http://seem.about.free.fr/index.php (French only BUT the program has English support.) Seem is small (317 kb) and portable, settings saved to .ini file in the application folder.
Lots more screens @ http://seem.about.free.fr/index.php?003/Description
Download Seem 4.1b (en) (latest stable version) or Seem 4.5 (RC) (I am running this version on WinXP sp2 with no apparent issues).[/img]