This is what you want:
http://www.starbronze.com/730.html
In RI its legal to sell but illegal to use.And yet available at any hardware store.
As far as Peel-Away goes don't forget there are several differant grades and it is VERY EXPENSIVE!!!
http://www.dumondchemicals.com/html/products.htm
Btw any and all chemical strippers will soften and remove the gelcoat.
If you really want to remove everything use a plate burner but this is truly the most illegal way of stripping paint!