Add camera build quality or material type (plastic, steel, magnesium alloy, etc.) to criteria?

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Snapsort's criteria are impressive, but one is missing, I think--material type and build quality. Some highly rated cameras (such as the Canon Rebel) are pure plastic and have, IMHO, a disappointingly "cheap" build quality that is a real dealbreaker for me. This "cheap" feel isn't always a function of price, so knowing which cameras in a price range are better made would be really helpful. If I could, I would filter only for cameras that had the solid feel of a steel or alloy body (such as the Pentax K-7, for example, which is no more expensive than the Rebel).

I should add that, unlike many other specs, this information is really hard to find online. Snapsort could fill this void!

Also, I think this information could really change the "winners" for some people.
Keep up the great work!