@drifterlee I take it you've ticked the checkbox to tell DS to use your Nvidia card? It's under Render settings and then the advanced tab, the same place you swap between Iray and 3Delight. Make sure your GPU is selected because it isn't by default. You can't really compare Poser Pro 2012 render times to Iray render times as they are completely different engines. Firefly in Poser is comparable to 3Delight, Iray is comparable to the newer Supafly in Poser. One thing I've read about PBR's like Iray is that the more lights the better for speed. Darker scenes will take much longer. But you could always try with just an HDRI background. That shouldn't take too long for a couple of figures.