For the website, lose the forum and the guest book. Do they add anything to a professional outfit? What's going to happen if it's full of spam? Are you going to spend more time looking after the website rather than the business?
Have a strong intro page listing your services and basic contact details.
Link to individual pages for each of the services, sprinkle some before and after shots through them. Split pictures are more effective...
Tie the whole thing around your corporate logo - that way, all your stationary, business cards and flyers have the same look and feel as the website.
Good luck.
V.