Looking for input on most cost effective boom vang for my 1985 M15, which currently does not have one. The tangs are already on the mast and boom. I was looking on the Harken site and also West Marine. These things can get expensive, especially when moving from those using up to 1/4" line to 3/8". Hoping to get away with spending less than $100 for something functional but user-friendly. So, any suggestions? Seems like the design shown as 4:1 Fiddle on the Harken web page is what I probably need, but will 1/4" line (parts 2655 and 2658) be sufficient (and comfortable) to use, or do I need to go 3/8" What about the West Marine model 380330 Vang - Mini? Anyone have experience with that setup? Other "build your own" suggestions? I would love to see a pic of what the original Montgomery setup was or even what the new Montgomery 15s are being shipped with. Thanks, Neil