SBS 2003 is Microsoft's Network Operating System for small
businesses. With support for up to 75 users, SBS can be
thought of as a network in a box. Email, collaboration, file
and print sharing, shared faxing, business critical backup, and
remote access are all included out of the box!
See the Top 10 List of Why You Should Get Your Hands on SBS
http://www.microsoft.com/windowsserver2003/sbs/evaluation/top.mspx
For More Information on SBS 2003:
Connect with a partner at the left or visit Microsoft's SBS 2003
web site.
http://www.microsoft.com/windowsserver2003/sbs/default.mspx