The lowout value for the edit can be "timeout=2" seconds. That is for the amount of time boot options are displayed when not dual booting with another version or edition of Windows.
Disabling unnecessary items in the startup group in the msconfig utility will free up memory as well as seeing Windows load smoother. The section here is titled "Windows, operating systems, and software".
Periodically running a good registry cleaner and checking the hard drive(s) for the level of fragmentation also helps as well as reducing startup items and the amount of seconds in the timeout setting.