Case 580 decision, SK vs SM

I've been passively shopping for a backhoe for about 8 months now, I have several hundred hours on a JD-310J but for personal ownership I'm leaning heavily in favor of case. I was looking at 2 580s, ones a SK with 7k hours on it, open ROPS, and another is an SM series 2 with 4800 hours on it single owner with closed cab AC and a hydro quick coupler. Both are 4x4, 4-1, and extenda hoe. My main uses are farm/occasional construction work, deforesting/land clearing, and log/lumber moving...

Case 580 decision, SK vs SM

Case 580 decision, SK vs SM