On the
http://groups-beta.google.com/group/comp.sys.hp48/browse_thread/thread/4e7efb17e5ac7fc3/91e0498b6d0f3f16#91e0498b6d0f3f16
board someone has a calculator of this serial number (first 6 digits) and suggests it's the new enhanced keyboard. Has anyone experience with this newly-made HP, and how does the keyboard work, especially with respect to those "Keyskips" that occur about 5% of the time.