Early 2011 17" open box for $1700 worth it?

i found 17" 2011 mbp open box $1700 (after taxes). worth or should go 15" reserved?

17" link: http://www.microcenter.com/single_product_results.phtml?product_id=0358121

15" link: http://www.microcenter.com/single_product_results.phtml?product_id=0381864

 

i don't know open box stuff, 17" looks steal...i add 4gb ram, open box policy? used? damaged? don't on link!

 

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