Just got my Pentax KX bought from a fellow member. Its in beautiful shape, just a few rubs on the base plate, works perfectly and has been CLA'd by Eric, who is the Pentax go-to guy. What a pleasure to use a mechanical shutter, as preventec47 noted. All the lovely mechanical sounds.......
And this beauty, with viewfinder call out of shutter speed, judas window for aperture, DOF preview and mirror lockup (and meter switch and battery check button_ was cheaper than the typical K 1000, because of the demand for that camera for courses. Ah, well.....