The tech world is abuzz with the news of the biggest update to the Mac OS X operating system yet – Leopard. Visit the premiere on October 26, to see it in action. Get there early for a free t-shirt!

Just visit the Apple online retailer list here, and find the closest store to you. Limited Edition Leopard shirts are going to be given away to the first 500 to attend the premiere event starting at 6:00 p.m.

For more info on the Mac OS X Leopard, see the Apple website. Let us know if you attend -- we would love to hear about it!