I'm about ready to buy my ztr and my choices are down to the JD 737 or the 757. My dealer told me that the mulch kit for this mower comes with metal baffles, blades, and a discharge closure. What I want to know is what is involved with setting up the mower to mulch. How many bolts, how long does it take, is it a pain in the a%% ? More importantly, does this factory kit work well or do I need a different blade setup than what the kit comes with? If so what blade setup and where can I get info online about these blades (I read here alot about the gators)? I want to verify with those that actually do have experience with the 737/757 and compare to what the dealers have been telling me. I have been reading this site for about a year now and have gained alot of useful knowledge. Lots of great info here!!! One other quick question.....My dealer has an 05 witout ROPS that he will sell for about $250 dollars cheaper than he will one that is going to come in with the ROPS. Should I take it or wait for the ones coming out standard with ROPS??? I understand there are not any other differences?????