Steamwinner - I also watched the video and I also have a doubt, although the "Sharpie" routine is an excellent method used by the best - Tormek. The system you showed us is very, very good, but lacks perfection, which Tormek offers. For one thing, using wood for your jig does make it a lot less expensive, but wood moves with the seasons. I can acknowledge your system works with less accurate tools like chisels and hand plane blades that have wiggle room. But for machine jointers and planners, perfection almost seems to be a requirement.
The Tormek system is very expensive, but you get what you pay for. That being said, I didn't buy my Tormek with a specific $ amount, but I bought mine with coffee break $. Translated, at $8 per day, my Tormek cost me 3 months of coffee break $. Now that I have a Tormek (and saved a few more months of coffee break $), I can sharpen expensive kitchen cutlery, scissors, chisels and plane knive. I own a lathe and sharpen my skews, gouges and parting tools. . I have carving knives I sharpen myself. I know I could set up a sharpening and make some $ on the side (enough to pay for my machine and much more. Yahoo even has a "Tormek" group that will verify what I'm saying plus acknowledge the expense. Do your homework. I found independent sites that tested the Tormek against cheaper versions that claimed to be just as good, but the end results verified "YOU GET WHAT YOU PAY FOR". Good luck with your decision.
This is not meant as a critique to folks using other methods. I worked for a master craftsman who used a belt sander just like BWSmith and did well with it, but I'm not a master. Woodnthings also does very well, I know. So... how much $ do you have and how much are you willing
Its' never hot or cold in New Hampshire... its' always seasonal.