I have been using Pettit Hydro Coat the last 5 years and have been very happy with. It is a water based paint, has less fumes and is easy to apply. Clean up is fast and easy. Unfortunately the price is in-line with most other bottom paint. Some say they do a full coat every year and just touch up the second year. I have seen less of a buildup of paint on the hull sine I started using Hydrocoat. The paint is a lot thinner than some of the others thicker paints that I have applied . The functionality of the Hydrocoat is as good or better than anything I have used.
I use Flitz om the railings and Collinite wax.