The Sealy Posturepedic Silver Medium is fairly unremarkable. It has the typical Sealy bouncy feel to it but spinal support is reasonable.
The Orthokinetic Grandeur Support is an excellent firm mattress. Great value and very well made. The top layer feels expensive with high quality fibres.
The Orthokinetic Grandeur Medium is an excellent all rounder. Great value and very well made. The top layer offers very good spinal support and it is still nice and comfortable.
The Orthokinetic Grandeur Plush feels soft, comfortable, and has good spinal support as well. The build quality of this mattress is excellent for the price.
The Orthokinetic Prestige Decadence Plush is simply a beautiful mattress. Only slighter firmer than the ultra plush and has a nice light light top layer.
The Orthokinetic Prestige Decadence Ultra Plush is very comfortable and the build quality of this mattress for under $3000 is quite remarkable.
The SleepMaker Taurus Plush is comfortable and spinal support seems OK. It does feel a little bouncy with some partner disturbance though.
The Sealy Posturepedic Silver Firm has the typical Sealy bouncy and almost flimsy feel to it. Not particularly comfortable but spinal support is OK.