In my other life I'm a geek.
Oh wait. I'm a geek in this life too. Anyway, I wrote an article entitled:
The Most Valuable Comic Books In the World
If you care about expensive collectibles and want to know what the most valuable collectible comics are, this article is for you.
(by the way, please do you best to ignore the design of that site. It's several years old and was put together in less than a day. I keep meaning to redo it, but other things take precedence.)