Totally suits it’s target market!
In your CSS change the margin-right and margin-left of .base-mini .head to 0, you have a 1 pixel border to the left and right of the box headers (anal I know but it’s bugging me!).
The gray background for the footer has to go, it should be more similar to the style of the header, or at least a different colour.
Apart from that I can’t see a huge amount has changed from the default template aside from the header and some CSS, but what you have done is certainly not bad at all.