Anyway, based on how your prototype looks in FireFox, it's rather plain and ho hum to be honest. It reminds me of a standard template for a chamber of commerce site. Don't get me wrong, it has all the expected elements such as excellent placement of the search form field, the header explains the site nicely with a nice graphic, good complimentary graphic of the cityscape in quality resolution, great choice of color palette overall as the earthtone colors are well coordinated, easy to find and use navigation and well balanced content area with the smaller well on the left which will helps a potential client see the value of that space. Maybe the text is a tad too large in terms of font size in the content area, and you need to add in nav links in the bottom to match those at the top (even if placeholder for each). Do you need to conform to a certain overall width? Seems a little narrow to me for today's modern resolution of 1024x768. I could be wrong.
But I don't get a feeling alot of work was put into it. This is not to say you didn't, it just comes across as "seen it a million times". Now if you designed by hand the cityscape artwork, I will be impressed. It's a really nice image and I noticed the soft and elegant shadow effect running up and down the sides - extremely well done for that. Overall? Pleasing, clean, un-inspiring.
-jim