Bill,
I have an inexpensive rigging vise from Elisha and Son. I think I paid $200 for it about two years ago. It works fine. Here is the link:
http://www.elishawebb.com/SplicingVise.htm
There are pictures of it on my website at:
http://www.farreachvoyages.com/proje...ngrigging.html
Hope that helps,
John