I have an Irwin 37 that I just rerigged and you might like to see the running rigging I did.
Bahia Tortugas, Baja California, School Donations | SVAndalucia
You have to go all the way to the bottom of the blog but you get the idea.
For the mast base I used this
http://www.pridemarine.com/index.cfm?category=10007|10863|10864
Hope this helps
Steve