I think you will see some pretty impressive indoor scenes, even with the first V1 of the Construction Kit. Simon is determined to enable a mode which allows some serious crafting to be done, and his very early 'test buildings' are already impressive, and they're only 5-10 minutes of work. I think you will like the power this new tool will provide, and then we can decide if you really want something that mimics the classic method of building rooms and corridors.
PC SPECS: Windows 7 Ultimate 64-bit, Intel Core i7 920, NVIDIA Geforce 650GTX Ti Boost 2GB GPU, 6GB RAM