Comfort layers in your Artisan vs ViSpring

I am very interested in your Aertisan Luxury mattress - I am 6ft3 and 14 stone my partner is 5ft7 and 12 stone - so there is a bit of difference between us in body makeup, but we both prefer a soft "enveloping" mattress. I am tall and slim and so have pressure points mainly on my hips and shoulders when I sleep on my side. We have recently tried and like the ViSpring Devonshire and we both preferred the "soft" tension. We also tried another Vispring (cant recall the name - Tiara perhaps?) but it had the "ViSpring Heaven" topper and it was superb in a medium tension. I notice that the Heaven topper has about 1200gsm of wool (300gsm of fleece/ 600gsm of "needled" / 300gsm of fleece). I see from your specs that the Artisan Luxury has a lot more in the comfort layer than the Devonshire - so my question is really this: if your Artisan Luxury is comparable in feel to the Devonshire, would the added comfort layers you include make it more like the ViSpring one with a Heaven topper? I ask because in the Devonshire we both preferred the "soft" tension (with no topper") but in the other with the topper, the medium tension was fine. So ai am trying to workout which tension to order in your Artisan Luxury (soft or medium). Any help is appreciated.