The Select Comfort that we have at home has a foam channel around the perimeter of it. While the mattress will collapse when air is removed, the form will not, which I assume will prevent proper closing of the TM. That is the main reason we went the AeroBed route. It is comfortable, and when used with a Travasak (might not be made any more, but other sleeping bag type things could probably be found) everything can be left in place and just deflated. I don't find the inflation/deflation routine to be a problem at all...it takes less than a minute. Assuming you have a source of 110 power!
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