Hi seismick,
You have some great choices between Tucson, Tempe, and Phoenix 
You may have already seen post #4 here which lists the better manufacturers outlets in Arizona (mostly Phoenix) but I made a few updates to bring it up to date.
SleepEz is one of the manufacturing members of this site which means that I consider them to be among the highest quality and value in the country.
A1 has been a manufacturer for over 30 years but while I talked to his niece ā¦ Bobby the owner never did return the phone calls I referred to in the post I linked. If you go here ā¦ I would focus on the mattresses they make and not the other brands they bring in which will not have the same value as their own. they were bringing in Natura but Iām not sure if they still are since Natura went bankrupt and were bought out by Spring Air / Sommex in Canada.
Hope this helps.
Phoenix