MacBook coming this tuesday - in Black and White

Previously, before Intel transition, Apple had the Powerbook and the iBook line. Powerbook was aimed at professionals and iBooks was for consumers. Ever since the MacBook pro was introduced with the Intel Core Duo processor; computer enthusiasts have been waiting for the consumer version. Well, according to some mac rumor sites; the wait may be over. Apple is going to introduce the Macbook on Tuesday, May 9th. It will be thinner than the current ibooks. Going with the iPod color theme; the Macbook will be available in black and white colors. Can’t wait until Tuesday! By the way; why does Apple make all their major product announcements on a Tuesday? Anyone know?
Update They are here!! They start at $1099; while the black one is only available as a $1500 model. Oh well; they look super sweet though