Google is the ONLY search engine that you need. If ever your site is penalized by Google, then you are in trouble. If you would like to request for reconsideration from Google, you can do that via Google Webmaster Tools.
http://www.youtube.com/watch?v=G959-2RlPyA
The folks from Google Webmaster tools have come out with a video to help you to discover how to create a good reconsideration request, including tips on what we look for on our side.
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What to “reconsider” by google? Page rank?
yeah.. if your site is marked as spam by Google, then your page rank will be zero and your site will not indexed or showed in the search result page