ClickTracks Fraud Report - Click Fraud Question

Detecting & Getting Refunds for Click Fraud

[MKinCA]

So, the latest version of clicktracks has a "fraud report". They've got a case study where the subject was able to get money back from Google/Y! by submitting the report that gets generated.

Sounds impressive. But, that case study was done pre-launch of the Fraud Report feature. Now that the feature is out and thousands (?) of people use it, are G/Y! so saturated with the reports that they are no longer responding to them?

Has anyone had luck getting any refunds by submitting the ClickTracks Fraud Report?

More to the point - is there any other software (opensource preferred) that will analyze log files for "invalid clicks"?