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Tenable Nessus Vuln Assesor
I took a look through this thing and it's be one of the best tools out there. It takes forever to install, but it gives detailed reports of vulnerabilities of any IP address you put up, if your a white hat, how to fix them also.
Time to have some fun. I don't care if it IS skiddy, it saves a lot of time on manually checking ports and exploits.