The best thing is get them, test them, if they go bad in...well whatever amazon return time is you can send them back. More expensive these days doesn't mean much. A lot is luck of the draw
Think I'll go with this then
https://www.amazon.ca/HDMI-Cable-ICZI-High-Speed-Flat/dp/B01IEGIFYE/ref=sr_1_1?s=electronics&ie=UTF8&qid=1477722879&sr=1-1&keywords=HDMI+Cable%2C+ICZI+High+Speed+Flat+HDMI+Cable
Both flat wired, good reviews on them individually, and you get two for an added couple bucks over just one. Thanks for the good advice too.