I am about to buy a new WB. I have demoed several mowers and have narrowed it down to these 2: Exmark TTHP 17Hp 48" or Gravely Pro H 17Hp 48". I have run the Exmark w/ a mulch kit. It did a great job other than the blow out when trying to mulch leaves. The Gravely that I tried did not have a mulch kit on it. I like the features on the Gravely better and am leaning a little more towards the Gravely. Can anyone tell me how well the Gravely mulches and if it has blow out? If so, How bad is it? Any other input on the 2 mowers would also be greatly appreciated. Thanks.