I really love Sai, because it work really good and is the only program that work good with my Bamboo Touch Tablet. Now I want to purchase SAI License, but I'm not sure how much it cost to get the SAI License. Anyone know?
Also, I have 2 computer and sometime I use my desktop and sometime I use my laptop, can I just purchase 1 SAI License and download it on both of my computer?

Please help