Hi pickles61,
Just in case you haven’t read it yet … post #1 here is the best place to start your research and has all the basic information, steps, and guidelines that can help you make the best possible mattress choices.
Once you get to step 3 and are ready to start talking to some of the local retailers or manufacturers on the phone to decide where you want to go to test mattresses … then post #7 here has some of the better options and possibilities I’m aware of in your area.
The adjustable bed thread here has some good information about adjustable beds that may help you decide and also has some links to retailers that I use as a “value reference”.
Hope this helps 
Phoenix