SMS Client Health Collections Structure by Rick Jones

Here’s some info from Rick Jones explaining how to make some custom collections in SMS which let you find out EXACTLY what machines have got the SMS client installed. Anyone who uses SMS with thousands of machines will understand why this is handy!
Really really usesful this one. All praise Rick Jones! I wish I’d found this sooner.

http://myitforum.com/cs2/blogs/rjones/archive/2007/06/07/sms-client-health-structure.aspx