Attached Link: 5 Things To Speed Up Poser 5 (RTF Document)

In addition, assuming "affordable cost" is around the 200 dollar range, there are none. Possibly Carrara, but it's pricier. Then you have Cinema4D, Lightwave, 3DSMax, et. al. The attached RTF file includes notes on setting up the Poser in Windows XP, including adjustments to virtual memory.

thou and I, my friend, can, in the most flunkey world, make, each of us, one non-flunkey, one hero, if we like: that will be two heroes to begin with. (Carlyle)