I was reading over at Sean Daniel's blog about more info on SBS 2008 and realised there are a couple of pages you need to look at (Learn more with a product overview).  I've also posted some answers to questions here. 

Affordable, Integrated Solution

Windows Small Business Server 2008 is designed for small businesses. It is designed to work with existing technology, build on Microsoft best practices, and delivers a comprehensive network at an affordable price.

• Have virtually anytime, anywhere access to your business desktop; including e-mail, files, business applications, and more.

• Share resources and equipment, such as Internet access, printers, and fax machines, to get the most value from your technology investments.

• Enjoy compatibility and scalability. As your business needs to change, Windows Small Business Server 2008 can change with you--easily add users, servers and applications, or expand into other Microsoft technologies.

• Work more efficiently and add more value to your business with an integrated administrative console.

• Work confidently with a top performing network based on Windows Server 2008 technologies.

Protect Your Business Data

Windows Small Business Server 2008 helps protect your vital business information from loss, by automatically backing up the computers and servers in your network and helping enable you to recover accidentally deleted files.

• Use anti-virus and anti-spam protection to help protect your information from malicious attacks, viruses, and spam.

• Keep your computers and servers current and your network healthy and up to date with the latest updates.

• Get better control over your business and business information with daily and weekly reports alerting you on the health and security of your technology. A single administrative console gives you or your IT consultant a daily view of PCs and servers and makes it easier to manage common IT tasks.

• Get an at-a-glance snapshot of the security and health of your PCs and servers from a 'green check' report.

Grow Your Business Capacity

Windows Small Business Server 2008 gives you highly secure access to business contacts, calendars, e-mail, files, and other important desktop resources from any Internet-connected computer, virtually anywhere at any time, so you can be productive while you’re away from the office or on the road.

• Improve your day-to-day efficiency by using a central repository for storing and sharing information.

• Connect with customers, vendors, and suppliers easily and professionally, with access to contacts, appointments, and files from any Internet-connected computer or a Windows Mobile-powered Smartphone, so you can be responsive even when you are away from the office.

• Create a bigger business presence with online marketing tools from Microsoft Office Live Small Business*, so you can differentiate your business and present a more professional image to your customers.

* Available in the following markets: US, UK, Japan, Germany and France

ttfn

David