I was contemplating on a shift to a 3 column layout for quite some time now. With a current 2 column layout, it does become a little difficult to accommodate content.
With a single sidebar, any new block of content will just make the sidebar bigger and bigger and there is no way the visitors are going to scroll to see the content.
The 3 column helps you to make your sidebar look better, again care should be taken not to overload it with lot of links/content. I’ve been on the hunt for a good looking 3 column theme for quite some time. A three column version of K2 definitely makes sense, again there are lot of themes based on K2 and I am not able to decide.
Currently I am fishing at these sites to find the “one”:
Suggest me some good 3 column wordpress themes …:)