Last Thursday I attended the Vancouver Small Business Server user group meeting. The topic was An Introduction to the Windows x64 Editions. The presenter was the very knowledgeable author and Microsoft MVP Charlie Russel, check out his blog for all sorts of info related to 64 bit computing.
Although I'm just getting up to speed on the 64 bit world, it was a very interesting presentation. I've got to start getting to these things earlier, I'm always missing out on the pizza...