3d column (right one) is mandatory and if you don't have right column blocks, the center ones WON'T span to fill the void left!!.
Since transparency is something that older version of IE can't do, the theme file includes special tags for IE browsers and special tags for al the other major ones.
Folder contains header PSD for link personalization, the theme itself (dooh!), and readme file which i strongly advise you to read it before start messing with the theme
Enjoy!
Theme can be viewed in action HERE Theme can be downloaded HERE