Thanks everyone for your interest and comments,
For those who would like a little more detail of the construction, I provide some photos below. James, you can get the basic plans in Chris Schwarz's excellent book "Workbenches: from design and theory to construction and use".
I coated the bench with Watco's Danish oil to help the bench top resist oils and glue as well as making it easier to clean up sawdust. This photo shows the top including the tops of the morticed leg tennons and the holes for vises, plane stops, and holdfasts.
This photo shows the drawbored oak pegs anchoring the morticed leg stretchers. The pegs pull the joint up very tightly.
The next photo shows the sliding deadman sitting on the "v" track. The top is inserted into a groove on the underside of the bench top.
This next photo shows the leg vise and the parallel guide inserted in the leg to keep the jaw parallel to the bench when pressing on work. A metal pin is inserted in one of the holes in the guide so that the bottom of the jaw stays parallel with the bench.
Finally, this photo shows a stock blank held by the leg vise and the sliding deadman at the perfect height and orientation for me to whack in a barrel channel. The metal pin inserted in the parallel guide provides the pivot for the jaws to put pressure on the work.
dave