My dad fooled around with just about all of the different, less expensive, chronographs before he bought his Oehler 35P. Since purchasing his Oehler he hasn't had a single issue and he wouldn't turn loose of it for anything. Now hold that thought for a minute.
Last fall I heard about these new MagnetoSpeed Chronographs so I read what I could about them and bought one. A few weeks ago I went out shooting with my dad and took my MagnetoSpeed along. At first glance my dad wasn't to impressed with it. Maybe it wasn't elaborate enough looking, not sure. Then I set it up, which took all of about 60 seconds. THIS got his attention because he stopped teasing me about it and said "that's all you have to do to set it up?" Then we started using it and that's all it took. He still thinks his Oehler is far superior and maybe it is I don't know and don't really care but I thought it was funny when he called me the following week and wanted to know where I bought it because he wants to get one too.
I haven't used my MagnetoSpeed very much but the little that I have used it, it performed flawlessly with not a single hiccup. Now I don't know if they are the "Best" chronograph to buy because I'm not sure if one person can define what's the "Best" of anything but I can tell you they are reasonably priced, they have very good quality, I can take it out of the box and literally have it ready to use in 60 seconds, it's unaffected but light or the lack of and most importantly, they work extremely well which makes the MagnetoSpeed the "Best" chronograph for me.