There seems to be a small following of us that love flying on the old 737's! I've never had an uncomfortable flight in one, the lighting is yellow and there is plenty of brown decor, but they're comfortable! (they also remind me of flying in the 90's, my childhood, which I have fond memories of!).

They also do that old fashioned thing of making a bit of a noise! Can't beat the roar of full reverse thrust on landing, the only BA aircraft type I've been on that regularly uses it (presumably due the old steel brakes that are both very noisy and heat up like nobodies business).