Best place to save user information for Windows XP and Vista applications

char localAppPath[MAX_PATH];
SHGetFolderPath(NULL, CSIDL_LOCAL_APPDATA, NULL, SHGFP_TYPE_CURRENT, localAppPath);

Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);

Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);