Ron, after looking at all the models, we (read DW) have made up our mind on a 2552 or a 2910D, and we've started to make a list of things we would like to have and things we would like to have taken out.
Good for you.
We selected the 2350 back in 2007 for two reasons.
1) It is the biggest thing that can fit in our garage, with only inches to spare in all 3 dimensions.
2) It offers a permanent double bed so my wife and I can sleep together.
Everyone has different priorities. Also it seems most people with motor homes in general, stay in private or state run places where almost any size rig works well. We camp most often in more primatve places like BLMs, national forests and national parks & monuments, all where camp sites can be more challenging for the largest rigs.
I have to say that a longer walk-around double or queen bed model would be ideal for us, if it would fit in our garage. And PC never made such a thing without a slide out.