Since I have yet to bump up against any threshold or limitation in this sense, I can't confirm Terragen functions this way at all, but I'm assuming that when an object is loaded into Terragen (.obj, .tgo, etc.), that it is then loaded into the RAM as well, textures and all? In this sense, if you load the same object twice, is it loaded into the RAM twice, as well? This exludes populations, of course, which obviously would only load an object once. Can someone confirm this for me? I'm working on some fairly large-scale scenes where I may be loading several highly textured objects and this will help me plan it out some.