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CuttletBlock
Now you can block users on MattCutts.com blog (Google's Webspam team) or just view Matt's comments with one click.

Do you want the power to hide or permanently block users from the comments in Matt Cutts blog? Or perhaps you want to single out Matt’s replies for quick scanning? Well now you can with the help of Cuttlet-Block.
Cuttlet-Block is a FireFox script built on the excellent Greasemonkey plugin or add-on. After installation you will see three options above each user’s comments on Matt’s blog. You can hide/show them, delete the comment permanently or block that user from view for any future blog post.
We have also added the ability to single out Matt’s comments by clicking the "Only Matt" link at the start of the comments section.
Less Noise More Signal - Enjoy
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