I don't think that you're reading the tone wrong. We aren't locked into the builder yet. I am frustrated with the fact that things seem rather inflexible when it comes to moving or modifying things. I guess in order to get the extra flexibility, you need a custom builder? Who knows. The builder is mentioned in the attached plans. The rooms above would be great room, kitchen area. Not bedrooms.
I'm aware of the considerations with HVAC design and noise levels. I actually measured the DB reading of the HVAC the other day, so at least I have a baseline noise level. It's not loud, but I want to get it right if I can. I'd love to move the HVAC to a far corner, but I don't think that's an option. But even a foot or two away from the HT wall would be helpful as I could better treat that space.
Paying for 200A service, already planning a subpanel for amps and gear.
Here are floor plans. The room would be the larger of the 2 areas. We're doing unfinished, but unfortunately it doesn't have raw dimensions. So I've also included the finished plan. Basically add 8" or so to the finished dims. We are not doing the bathroom or the egress window as they're shown in the finished plans either.
Mercury Unfinished Basement.pdf 74k .pdf file
Mercury Finished Basement.pdf 169k .pdf file
Thanks for everybody's comments... I appreciate them.
I've thought about flexing my mettle and pushing for some things, but I don't know that the salesperson is the right person to agree to what I want. Apparently most people don't ask the questions that I have about moving things, wiring, blueprints, etc. It makes me feel crazy, because I'm asking things like what brand the main service panel is!