Yup when u on "action" u really sunk into it & will be sort of hard to maneuver (ha..ha...) .
The mattress will be firm during cold and soft when warm. Due the this nature, it will be "holding" you into position when you sleep (esp the air-con is on).

But, one of the experience to share is, it seem to be less movement/turning during sleep..... and it do help especially for those with back problem (i.e. Slipped Disc).

Sort of agree that the price on the high side but at the end i think is still worth it as i spend almost 1/4 of my life on it........... & it is cheaper than most of our others purchase.... (i.e. Car)... Juz to share.

How about Goodnite Eric Leong series? Any comment?

I am currently using the Dunlopillo 10 inch latex mattress. I find the edge of the mattress lacking in support, as you might just roll down onto the floor if you sleep to close to the edge. When I first tried the mattress in the shop, it feels like you are sleeping in the clouds. However after sleeping in it for 1 year I found it a bit too soft for my back. The best i found is putting an inch of Dunlopillo latex mattress on firmer mattress. In that way, you have a firm mattress but not too hard on the bony prominence of your back and shoulder. Oh one more thing. The 10 inch latex Dullopillo is very costly!