i am looking heavily at the all new lazer z 60 inch ztr to buy in the spring. i like their mower because of the new vac system. I know it doesnt come out till spring for the full size lazers, but does anyone know how much money this vac system will cost? i also was wondering if any one had anything to say about engines for the rider. i hear kawasaki engines are better than kohler, but should i go for the 23 hp. kawi or the 25 hp kohler?