I'm running 1024 x 768 resolution in Firefox and I have a horizontal scroll bar. This is the most common resolution that most people run and with the growing popularity of Firefox, you may want to consider resizing so this does not appear.
I noticed you have 2 contact us forms. I'm not sure why.
http://www.meadmap.com/index.php?option=com_chronocontact&chronoformname= contactus
http://www.meadmap.com/index.php?option=com_content&task=view&id=50&Itemi d=9
Also I was only able to find your physical address in your FAQ. This info should also reside on your contact us page. This adds trustworthiness to your site. Your contact us page should not ask for any info that you do not readily provide of yourself.
You have a canonicalization issue that you ought to address.
If you can, you ought to remove the javascript from your code and put it in an external .js file.
A quick item to consider that is more security related than appearance related.
I notice you are running on an Apache server. Therefore you can have a htaccess file. Instead of putting blank index.html files in folders to prevent directory indexing, you should add a line in your htaccess file that if somebody browses to those folders that they would receive a 404 error. This makes it appear that those folders do not exist. If you do not want to do this, then instead of putting a blank html in these folders, make them landing pages, keyworded for certain key phrases.
For accessibility reasons, you may want to consider adding titles to your links. The only link that I saw that had a title is the Home button, which has a misleading title of group projects. Your home link ought to have a title of either home or main page.
You may want to consider creating a sitemap.xml file and submit it to Google, Yahoo and MSN. You can also add the sitemap location to your robots.txt file to help the bots crawl your site.
A custom 404 file not found page would be a nice add-on, but make sure it contains your site navigation. This will also help if a link is followed that no longer exists on your site. The visitor would be able to see the navigation easily and continue browsing your site.
The meta name="title" tag is frowned upon by some as you can have a meta name="anything you want". Most of the time these tags are used to stuff keywords. You may want to consider removing this tag.
These two tags can be removed as they are not doing you any good.
Code:
<meta name="Generator" content="Joomla! - Copyright (C) 2005 - 2007 Open Source Matters. All rights reserved." />
<meta name="robots" content="index, follow" />
You may want to consider adding a 301 redirect to your htaccess file that points from http://www.meadmap.com/index.php to http://www.meadmap.com just to prevent any possible issues.
And lastly SEO friendly URL's would help tremendously.
I'm not sure what you are planning on changing, but the appearance is good and easy to navigate. I found the "call to action" links well placed as well as the navigation being well laid out. I did check the site using Firefox and Safari and it displays properly in both browsers "except for the horizontal scroll bar". Overall very nice job!