According to this http://www.pcworld.com/article/170843/adobe_responds_to_snow_leopard_cs3_compatibility_claims.html http://www.pcworld.com/article/170843/adob

According to this http://www.pcworld.com/article/170843/adobe_responds_to_snow_leopard_cs3_compatibility_claims.html http://www.pcworld.com/article/170843/adobe_responds_to_snow... CS3 works fine on Snow Leopard.