Jamie isn't referring to any Google program; it's just part of the standard search engine features. I won't post a list of such results because it's typically illegal (warez, etc.) sites that bring up the warning and I'm sure you don't want those types of links here on your forum. However, here is the link that Google supplies, which explains the link and provides a screenshot of what these results look like...
http://www.google.com/support/bin/answer.py?answer=45449&topic=360&hl=en&sa=X&oi=malwarewarninglink&...I can't recall ever seen one of these sites green-listed by SA, but if that's ever the case, I would trust Google over SA. From my experience, these sites are often malicious. They're the types of sites that you'd be reluctant to visit even with NoScript. In fact, I once ignored Google's warnings and visited a couple of these sites and got infected by downloaders/trojans, which is actually what got me interested in malware removal.