If you could buy a projector with a wide lens shift vertical and horizontal the room aestetics can be solved.
IMHO nothing compares to a big screen, 3D glasses reduces the batcave requirement, the effect is still great even without oled blacks.
Epson TW5350(HC 2045), Darbee DVP-5000S, Himedia Q5 Pro, Sony BDP-S6700,
3D RF glasses: Epson, Samsung, Xpand. Fuji FinePix REAL 3D W3, LG Otimus 3D Max, 3D Tablet F892B