We've already seen an early version of Windows 7 installed on a MacBook Pro , but with a brand new, more widely available beta now flooding the internets, there's no doubt quite a few more folks ready to give it a try themselves and, naturally, some have already done just that. Thankfully, there's also some how-tos starting to pop up, and it looks like the entire process is relatively painless, albeit still entirely at your own risk. Hit up the link below for one fairly straightforward walkthrough, and head on past the break for a video of the latest beta in action on a unibody MacBook Pro.