I'm 6'1" and I got used to the short queen as my bedroom is situated where a full queen would block walking around the bed.
On the tub, I've seen this used a lot
Tub and it seems to work pretty good. At least it gives you an option if you found a layout you like without a tub option.
The 6gal water heater should be fine unless your taking hollywoods. I've never run out of hot water with mine.
I'm with you on salesman, they should know the product they are selling. I'm in sales and I make it my job to understand all aspects of the equipment I provide.
Too bad you mentioned a weight in here, the weight police are going to swarm.
