After a discussion on the oldtools list regarding london pattern handles I've fitted them to pretty much everything except the dogs. I just eyeball the curves and cut the flats freehand using a smoother with the handle in the bench vise. They come out pretty awesome. No jig needed.
This weekend I made handles for each of my files and rasps (8 types) and a couple of chisels.
http://www.f-64.org/bench/handles1.jpg
This chisel is a harbor freight el cheapo. I got a whole set of them for 7$, I think. The edges are horrible and roll right over or chip. However, messing around with heat treating I heat treated it and quenched it in water (wasn't sure what the proper media was but it didn't crack) and now it's got a killer edge on it and holds it incredibly well. 25 tough mallet strikes into oak crossgrain and no degradation of the edge, it's still razor sharp. Before that type of treatment would destroy it. However, the handles were made from some obscene chinese wood (possibly some sort of plant material). Most of them are cracking so I started replacing the ones I had heat treated and this is the result:
http://www.f-64.org/bench/handles2.jpg
Buying a set of 7$ chisels, heat treating them all, and replacing the handles isn't really a good way to go about it but if you're on a horrible budget it might be okay...
FWIW, I'm not on that budget, but I'm curious enough to try it for the cost of a couple of big macs.
One funny thing is the cheap harbor freight chisels resemble an ECE mortise chisel in more ways than one. Both use some unnamed wood for the handle, both are dipped entire into some sort of finish, both have el cheapo stamped bolster rings. The ECE has a better blade but I wasn't impressed with the quality when I got it.