I did a quick search and didn't see a thread on this so I'll just have to ask. I have been using an air mattress for camping. It is good and sturdy and folds small and light enough to be practical for touring. However, I'd rather not have to blow it up every night if I go touring. I have been concerned that even a 2-inch self-inflating pad might not provide enough support so I have been hesitant to put out the bucks for one. I am a largish guy, a little over 200 lbs, but falling. Does anyone have any comments on the comfort of Thermarests vs an air mattress? Does the 2-inch pad provide enough comfort/support to be worth the extra weight and price vs a 1 or 1.5 inch pad? What about the 3/4 length version? Obviously I would like to minimize weight and size but not at the expense of a good night's sleep. Since it will hopefully be a long term investment I have no problem spending the extra money for the thicker full-size pad if that is the best idea. I am more concerned about comfort/weight/size, pretty much in that order.