Everyone else gave great advice, Nightscaper, and you're off to a great self-start, so I'll just throw a couple of ideas out. I'd add to the usability/readability issue and recommend to not lean so heavily on centered content. When it comes to paragraphed content, centered doesn't lend itself to a visitor's natural reading flow. Definitely lose the script font, and if you can work with getting your logo to pop better (solid color background, instead of the transparent gray might be something to look at), maybe play with that a bit.
And by all means, follow Greg's advice on implementing Google Analytics. To add to what he said, you can also get a really nice drill-down of your visitor's location data. Short of Google Voice phone lines, there is no better free tool for your business.