Hmm first off, you need to fix the header, the logo is off center for me, second you need to make the sidebar more clean, in other words but the sidebar content into categories, and do you really need the clock? Get rid of the drop shadows, in my opion theyre really ugly when there at 100% opacity and in black, also you need to make the blog titles stand out more cause atm they look like one big post, once you do that you should have a nice blog