Competitive Hulls and Sails?

In case you were wondering. The attached picture shows the top 6 boats from a fairly tight 11 boat fleet at an inland lake regatta in April. Notice 3 MK1 sails and 3 MKII sails in the pic? Also, two of the boats have the composite top section, (the others don't) and the yellow boat is using a Harstick sail from 1990 and the hull is from 1973. He paid $150.00 for the boat and it may have more west system on it than original gelcoat! This was his first regatta in the boat. Clearly he's a...

Competitive Hulls and Sails?