Lenovo has release a new version of System Update for Windows 7. As you recalled, System Update is used to update Lenovo laptops and desktops. It serve as a type of Windows Update alike one stop update for drivers and other application features of the Lenovo. Using System Update, this allow the user to update all their Lenovo drivers, applications such as presentor, hotkey configurators etc.
Lenovo System Update was previously mentioned here: