>If you use an external memory reader, you don't need to load software and you have access like a mounted disk drive. However, the first time you plug it into a PC, it will automatically load the driver that's built into windows. I don't see you getting around that.

Can you tell me more about the term "external memory reader"? Do you mean like a flash card that you put in the PCMCIA? If yes, then it's not good for the PC.