I have a John Deere RX95 rear engine rider that has been cutting poorly as of late. It appears to be leaving high spots, but it's hard to explain - the lawns just don't look as good as they used to. Yes, the blade is sharp, but It's a new high-lift model. I've gone back to the normal blade for today, so we'll see what happens. I've noticed the deck seems to be tilting forward a bit, but I don't know if that's always been the case. It's a great little machine for smaller properties, and the cut used to be flawless. Anyone else had a problem with their Deere not cutting up to par?