Arguments about why it should or should not work aside, in our experience two screens work bette (faster) than one. Crescence Bookstein, Ph.D. Research Associate/Assistant Professor Dept of Medicine-GI mc 6084 Univ. of Chicago 5841 S. Maryland Ave. Chicago, IL 60637 cbookste at medicine.bsd.uchicago.edu Phone: 773/702-2283 Fax: 773/702-2281