Barry my rear springs are 866's.. they are supposedly a "heavy" spring rate but only provide a 1.5" lift. I don't think they ride stiff at all, even before I added bumpers and drawers they seemed to ride just fine to me. Of course, now I wish I had taller springs...
once loaded I'm not even sure I'd call it a lift.
82 fj40, 99 uzj100, 06 gx470
05 525EXC, 01 XT225, 09 TTR125, 07 TTR90, 07 CRF50