Based on the size (large, and movie set-accurate) of the Jabba's Throne Room, I could see individual rooms from the Death Star coming in this range. Places like the control room with the red computer, the detention block area, the conference room, etc. I can easily see each one of those areas being a $200 Pulse set. Sure, give them a similar footprint to make them stackable for those who want to build a Death Star tower, plan that in, why not?
But they are missing out on serious scratch if they don't try to do a Death Star Hallway in the $50 retail range and make it in a very similar vein to the Tantive IV Corridor from last year, leaning more into the modularity. Make it able to be open or enclosed, infinite in series, able to do 90 degree turns or 4 way junctions. Then make sure that set can connect between the big ones so crazy people can build them out like the enormous train displays of the previous generation. I have no doubt these would sell 'til the molds break--I have been selling modular Cardboard Galaxy Death Star hallway pieces for over 2 years now and they always sell out when I put a batch up.
However they put out a Death Star set, I will turn up with money in hand.