Uh, folks... nobody actually answered the question:
"what is the big difference between playstation 1 and dreamcast?"
Y\'know, like Dreamcast is a next generation system, meaning it was released about five years after the Playstation. Some other tidbits would be nice too, like a comparison of bits/bytes/polys \'n stuff? I\'m not a console nerd so I don\'t know all of the numbers but I\'m sure someone here does.