Quote - > Quote - So ok can anyone say why Poser is using between 160 to 200 MBs of RAM just sitting idle ???

Yes, I can say. It is for the textures loaded into the OpenGL driver - it is much more aggressive about showing things in high resolution. If you minimize Poser, you'll see the memory go to 32 MBytes.

Which textures (speaking about an empty scene here)? How can you get rid of them?