I've searched and searched and can't seem to find anything on the x320 or x340. I'm in need of a new mower and had always dreamed of a jd. I'm coming off of a craftsman and really don't need all the bells and whistles, i just need something that mows and mows solid and good. My 3 acres are quite rough, rolling, uneven, lots of rocks and crap. I live in an area that is quite rocky and there is always new rocks popping up in the yard. I'd like a mower that can hold up to this and allow me to cut through the 3 acres quickly and without bogging down. I work quite a bit and sometimes, just sometimes I miss a week of mowing. I'd like a mower that I don't have to go .00003 miles per hour mowing in this case. So, any thoughts on these machines? Any other suggestions? I'm also looking at cub 2550 and 2554. Any thoughts on pricing for the x320 or x340? Thanks..this is an awesome site for folks like me.