.....Some of the tools that Victorinox for example offers, like the afore mentioned 108mm saw are works of art in their abilities, yet are simplistic enough that just about everyone should be doing it.
Also Gerber are by no means new to this and as far as I know are the only manufactorer who has changable plier heads .If you have too many features on one tool you are in danger of it becoming to big and heavy so I think swappable accessories are the way things will go .Dunc