My sister just got her new MPB 13" and is indeed having this issue with it:
http://appleinsider.com/articles/13...board-lockups-with-apples-newest-macbook-pros
Keyboard and Trackpad lockups.
Fix for that is coming soon:
http://www.macrumors.com/2013/10/30...kpad-issue-in-new-13-inch-retina-macbook-pro/