I think they are open with there spyware definitions:
http://research.sunbelt-software.com/
From a lot of companies you don't see anything.
Also when I have found spyware which I send it to Counterspy and they
added it to there definitions.
It found trojans and deleted them where anti-virus didn't find
anything.
I agree with Nick Skrepetos that you need (probably) 2 different
anti-spaywares.
Bob