Try changing the body font from Courier to a sans-serif font. It's not the easiest to read in length on screens. [1]
Also, the amount of high-quality design that pours into a lot of the js community could totally help the image around here. Aware of http://dribbble.com? You can find high quality designers. I could also possibly help (I run http://fulldime.com).
I'm getting going deeper and deeper into the js world for upcoming projects, so I'm glad I'm here :)
[1]- http://www.webdesignerdepot.com/2013/03/serif-vs-sans-the-final-battle/