I just waxed my board with Toko S3 temperature specific wax (the cheaper temp specific hot wax in their lineup) and was pretty impressed with the results. Was out gliding practically everone on the flats.
I heard on here your supposed to scrape bluebird soy wax while its warm.
Interesting. In the Toko manual, they suggest stripping old wax by adding a coat, then scraping it right away while it's still warm, then adding a second final layer.
I've always heard the longer you wait before scraping, the better. I left the wax on overnight (8 hrs) and had great results. It seems that the more wax you can get off the base after it sets, the better (faster). I started with a pastic paint scrapper, then went over everything with and expired credit card, pressing as hard as I could without breaking it. I finished by buffing with a plastic abrasive pad and then dragging it from tail to tip to try to "structure" the base (I didn't have a brush). Again, I got as good or better results than I've every had from a shop.