I would go with using the polygon edge extrusion method.
Maya nurbs are a bit on the flakey side to work with so unless you are actually following a good tutorial that points out some of the pitfalls it's very likely to be a frustrating process and I would not want to think I sent you down that path.
"If I have seen further it is by standing on the shoulders of giants." Sir Isaac Newton, 1675
Last edited by ctbram; 08-10-2012 at 01:00 AM.