I am working whit Poser now for one Year - dont own pro pack - but own Vicki I + II, Michael, Kidz and the each clothpack. And have dsl and flatrate (means in german surve as long as you want). Have 3 types of computer 1) 450 MZH Celeron 128 RAM 2) 850 MHZ Intel 256 RAM 3) 1000 MHZ Intel 512 RAM all with win98 SE. Could use all of them.