To be in with a chance to win, all you need to do is sign up to the newsletter, if you buy something too, you'll get 5 more entries into the draw to win one of three prizes. The first one being the Lambo. It's a sander, still a nice prize though!
Just go here and enter your email address into the box at the top of the page to eneter the draw.
Further details in the Screwpak Newsletter2.pdf
Good luck!