Want to work with SharePoint you surely know Paul Shaeflein, from his articles and sessions at Tech.Ed, SharePoint Summit and similar events. Paul understood the value of using claims in SharePoint from the very start and very actively promoted it: he found a way to use SelfSTS for testing SharePoint applications.
In the following post Paul gives step-by-step instructions, derived from the original TechNet config guide, for convincing SharePoint to accept tokens issued from SelfSTS. That basically means that the infrastructure requirements for quick & dirty tests with claims just shrank dramatically.
More Info: SelfSTS and SharePoint