Red Laser = 11.08mbps
Blue Laser = 36mbps
More than 3x the bandwidth so yes load times will decrease assuming there is ample processing power and little bandwidth restrictions.
Columbia has pledged to "release all of its home video products in the Blu-ray format by the end of 2005." But the BR Group is saying late \'05 or early \'06. NEC & Toshiba are now saying 2005 for HDVD. The sooner the better, a year is a long time from now and competition always speeds things up.