I think what you should be looking for is courses in Windows Server 2008, as it's part of the same family of products. There are usually several courses covering different areas.
Depends what area you are looking in, but as long as they are MS approved training centers you will get pretty much the same standard. I've used Azlan (now GlobalKnowledge) and Firebrand in the past.
M6445 covers Implementing and Administering Windows Small Business Server 2008, and will include an element pertaining to certs.
Small Business Server Certification, Training and Courses
M6445: Implementing and Administering Windows Small Business Server 2008 | GBdirect Training UK