Wouldn't it be great if there were a stack of 2 minute long videos, created by product experts, offering free point tutorials on all aspects of PCB and schematic design with Cadence PCB Editor (OrCAD and Allegro)?
Well wait no more!
http://www.youtube.com/user/parsysEDA/videos?query=how-to
can't get YouTube at work, then download the videos here
http://www.parallel-systems.co.uk/products/howto-videos