Right now I do almost all residential lawns, and use a 60" laser z 99% of the time. However I want to pick up some commercial accounts in the future and am looking for a second mower for tighter and more contoured areas. I have two very different options in mind. 1) 48" Exmark Turf Tracer or 2) 48" Walker MB. I don't need to bag with this mower, just mulch, and my dealership services both, not concerned about cost for now, so basically it comes down to walk behind or rider. What do you all find more time efficient, quality of cut, comfortable operating all day, etc...? Which one would you get?