I'm looking to by a new mower. I'm undecided on the deck size right now between a 52 or 60 but. I'm mainly looking for opinions between a gravely pro turn 100 series and a spartan Rt-Hd. Does anyone have one or the other or tested both that can give advice. I like gravely for the fact they've been around forever but spartan is a new company that offers what to me seems like higher quality parts for a cheaper price but they haven't been around long enough to see how reliable they will be.