In our 2007 2350, the subwoofer would have been mounted under our bed. I requested they mount the sub up front under a dinette bench. If it's mounted up front somewhere far from the bedroom, I don't see a need for an on/off switch.
About the on-board water pump. If they use the enhanced pump that stays on as long as the water is running, I'd be fine. But if they use the generic pump that cycles on and off every few seconds, I'd say to request a water pressure tank be installed along with it.
I would also delete all the hooks and eyelets from the rear storage compartment, and do something different on my own. I removed the eyelets to store a folding table, so I have holes in there for no reason. I use the two hooks, but wished they were elsewhere inside, more to the right

You think like me about the roof rack and ladder. Ask the factory include the parts to store at home, if for no other reason, for resale purposes. If someone says "I'd buy it if only it had them" then you can say, here they are, brand spanking new.
The same for the antenna. If I were to order mine over again, I would request to keep it in it's box because it never works where we camp. It works well mostly when we are in an RV park in-town where there is cable-TV service. The antenna adds lots of holes and caulk on that beautiful B+ cap, it is ugly as heck, and it rattles with every bump. I wish we didn't have ours. But I have one so I bought that extra thingy to increase signal strength. Still with digital technology, if there is a hill, canyon wall, mountain, big trees, anything between you and the source.....you have no signal. We resort to putting in a DVD all the time, never bothering to crank up that dang thing. I waste my time looking for a signal. I suppose a lot depends on the kinds of places you stay at or near. But for us camping in no-mans land all the time, the antenns is just a noise maker.
About the PC logo. Ours is across the top in back leaving that big open area for personalizing. Ask to see if they can do that for you as an alternative. I always wondered why the factory changed that. It seems a great area to add a nice picture or a map of states you've been.
