Download at http://www.free-antivirus.info
Spyware Doctor is yet another commercial application that Google provides for free as part of Google Pack that already includes plenty of other free applications (like Norton Security Scan, Star Office and others).

Pros: Good detection and removal rates; easy to use.
Cons: Not all features (e.g. real-time browser protection) are available in the Google Pack version; larger footprint.
Overall Rating: 4.3 of 5
Detection and removal rate: 4.5
Speed and Footprint: 4
Features: 3.5
Ease of use: 4.5

Our verdict: very easy-to-use antispyware software with above average detection rates and no false positives. (less info)