If you have more than 64 meg in your computer you are seriously losing performance by using 98 or ME FACT . CL will have to make a 64 bit version of Poser and will not have a choice except in the timing of the release ,64 bit isn't a fad that will burn out and fade away it is the next generation of computing and this is shown by the fact that all CPU manufacturars are currently ramping up 64 bit design and manufacture.