System Mechanic 7

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I just a coupon for a 9.95 download for System Mechanic 7 (iolo technologies). Is this a complicated tool or something the 'average joe' can use? Is it something that would benefit me a great deal? Would it be useful to me .. would it be a good thing?? Can you tell I don't know anything about it?? I am just curious .. I am all up for new tools .. just don't want to get in over my head or get something that I might never use.
Anything you can tell me about it would be much appreciated.