I was born and raised a PC, but I know a lot of people who swear by their Macs, and I know people who swear at their Macs.
No matter what catagory you fall in, you probably love your Mac, and would like to join in the fun using W7.
Follow the link below and it will instruct you in using Boot Camp to install Windows 7 Beta and the subsequent RTM version.
http://i.gizmodo.com/5132325/how-to-install-windows-7-on-your-mac-using-boot-camp
Have fun,
javajolt