RYR STN->BTS, two years ago (737-800NG, august, very nice weather, no wind, excellent visibility, ac nearly empty) - the pilot made a descent from (just guessing) 2-3 km, and the engines didn't spool up till we were taxiing. Extremely smooth approach and landing, no reverse thrust and very little braking. The best landing I ever experienced!
(I fully understand it is not possible for a slf to be sure about engine RPM, and I am not saying they were idling, just that I couldn't hear them)