Just wanted to add my opinion on a common bit of thinking. Yes, in a year or two most mobile devices will be able to handle any webpage. But that does not mean the user is going to like it!
Personally, I love mobile sites that are done properly. I love the nicely scaled pages and fonts. The simplicity of a mobile page. No pinching and zooming.
My advice, don't count on technology solving the usability issue that will always exist with a smaller screen. Give users a choice. Many will appreciate it.