Remember when iRex single-handedly revolutionized the e-reader industry last fall? Remember "Seeing Is Believing?" We didn't either, until the company reminded us of its continued existence with the announcement that it's developing a new color e-book reader that uses subtractive color mixing to display text and images three times the brightness of existing displays. While this won't be the first color e-ink tech we've laid our eyes on, the promise of print-quality color e-books is certainly tantalizing. Your move,