Try to optimize your images and js and place all js that can be moved to the bottom, it should make your site a bit quicker
YSlow gives this as a result:
HTTP Requests - 58
Total Weight - 706.5K
1 HTML/Text 44.1K
10 JavaScript File 117.4K
7 Stylesheet File 23.4K
10 Flash Object 82.1K
21 CSS Image 408.1K
9 Image 31.1K
Are your JS files minimized? You should do that!