Personally, after living with the Muppy for a while, I don't need the 411. The 3.5 inch blade will do all I want a smaller knife to do without the added length, which could at times get in the way. Plus I just like the way the blade and handle come together to form a really nice blade.
A Little Paranoia Will Keep You Safe (ALPWKYS) Be a Sheepdog JYD#105