After doing a lot of research, I decided to purchase an Exmark for home. Bought a Lazer HP 52" - delivered Tuesday. Today (Friday) was first day I had time to use it - mowed for about 2 hours - most fun I ever had mowing grass. However, after a few hours, the drive started making a grinding noise and became harder to steer, especially with the right lever - at first, I thought it was just my inexperience driving a ZTR but it quickly became worse. Got it back to the house (about 50 yds) while I was still able to steer. When I checked the hydraulic fluid tank it was almost empty! Took almost a full qt of Mobil One to bring it back to level. Dealer is coming to get it. Question I have for you longterm users - what damage has probably been done and what response should I expect from the dealer? Hate to have this type of trouble on a mower with 2.3 hours on the meter (and that cost me several thousand dollars). So much for web research! I had decided the Exmark was worth the extra money because of the reputation for dependability. I expected this mower to be the last one I ever bought. Kind of sours me on the whole deal.