you wouldn't use the meat knife on crusty bread but, equally, the serrated knife and straight edge knife aren't going to go through raw meat as quickly
LSR (aka the evil Ed Roman) have headless Flying V designs - from about 1/2 way down:http://www.edroman.com/guitars/lsr.htmvisually, I think their tweaks work quite well.
I'd be tempted to make the Vee points, err, pointier - why deny it, the guitar screams for it :lol: