We tried Harpoon miniatures once, but moving the ship 1/4" and the Harpoon missile 36" quickly grew boring.
I was *very* big into Napoleanics miniatures back in teh day. I even imported the *pewter* 15mm figs and had them professionally painted. Two of the guys I games with were staff at the local library, and we'd take over a meeting room for the weekend and play 18 hours straight sometimes. 
We tried Harpoon miniatures once, but moving the ship 1/4" and the Harpoon missile 36" quickly grew boring.
We tried Harpoon miniatures once, but moving the ship 1/4" and the Harpoon missile 36" quickly grew boring.