You could benefit from using more variations on the colors. The teal/blueish colors are almost melting without giving any area the needed emphasis.
I'd think it would be ok if you'd use different shades of blue with more contrast and different angles of light.
You definitely have room for a custom logo that transports the "Insane" GB somehow. Overall, i think your template is way too mellow to match the domain name of "InsaneGB". Try to break the boundaries a bit and capitalize on the "insane" factor, visually as well as with what you're offering. Last but not least, once you're done with your customization, use something for a Favicon.
IB