Hey there Entri
have you actually done this yourself ?
Some guys say, Xrumer won't remove your site from google! It's totally a myth!
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Xrumer when used on your competitors can easily get them removed from google!!(TESTED).
Want to test it? Here you go...
Choose a #2 ranked site for your preferred keyword.
Build 100 links to them(using xrumer).
Now, backlink those backlinks using Xrumer(Links count for 2nd tier: 5000 Links)
goto sleep, and wake up the next morning! The site's gone!
So, be careful on your link velocity + type of links you build + Indexing speed. Don't just blast the shit out of your domain.