1. Change the Font, Verdana would be a better choice. 2. Change the colour of your links, orange and green is not good. 3. change the graphics; Use your own, or at least clean them up you've got some chronic jaggies.
Overall though the layout is clear enough although you need to move the graphics on the left hand side at least a few pixels off the edge.If you only follow one piece of this advice change the Font.
Thanks, the font should now be changed, the images are a little difficult to get right, but I will try. Thing is, I asked microsoft over the > buttons, they said that that was fine for the purpose. But the house image and the ? symbol were from a program with royalty free images in I just converted them into Gifs.