Hey Shawn,
Good effort... what software did you use to build the pages?
I like the star photo you used in the background, but Houghy is right... it is way too busy and distracts the user from the content. I think you'll still have trouble reading it if it were yellow. I'd choose something a little less busy or maybe you could try dimming the photo somehow so it wasn't as bright?
Also, it's common practice to have the menu structure appear in the same spot on most of (if not all) the pages... just like the IIS site. This allows people to navigate anywhere easily without having to constantly go back to the main page.
And... your site should be designed so that it still works with Javascript turned off... many people don't have it on for security reasons. There's plenty of info on the web on how to make menus work either way.
You may enjoy looking through this website
http://www.webpagesthatsuck.com/. You can learn good web practices by looking at the mistakes others have made... some of it really amusing.
You're off to a great start and it's got that professional feel to it... keep up the good work.