I'm planning to put a different floor in my 14' V this spring (finaces permitting). I looked over the link above. Not sure what I'm going to do yet. If I use wood for the frame work it will be using 2x4s that are ripped to 1-1/2" square. The full 2x4 size would add too much weight and one thing I want to cut back on is weight. I really like to use aluminum but it appears that the materials would be more than I could afford. I'm rebuilding the trailer now and for all I know, I may end up having to put off the boat work for another season.
Anyway, I'll be watching to see what might get posted where to possibly get some ideas. A V hull is a bit more difficult to mod than a flat bottom. Stability is probably the biggest issue unless you have a real wide one.