I don't use many cantilever brakes now, I find v-brakes easier to adjust. However, the inexpensive (about $15) Tektro Oryx style brakes work very well with good pads. I have seen reviews of these brakes claiming they don't work well, but I think most of the reviews are based on the default pads. Using Salmon Kool Stop pads makes braking very efficient. I find the Oryx brakes very easy to adjust, which is nice compared to adjustments of the old style (1990s and earlier) cantilever brakes.