Hey boot camp come with os leopard as standard. If you wanna get a mac check this guide first. Its just a guide of when things are rumored to come out so you don't buy a machine and a week later a new version comes out.

https://buyersguide.macrumors.com/

I use a wacom tablet and it works with both pc and mac.
I have to say i use a mac with maya and its great, Think it will take a while to get used to a mac if you're used to a PC but its worth it.