800.COM, Inc., a leading online retailer of consumer electronics, movies and music, today launched a back-to-school promotion with Pizza Hut and America Online to bring new customers to the award-winning 800.COM Web site.From July 23 through August 20, Pizza Hut customers purchasing The Big NewYorker Pizza will receive $30 in online cash that can be used in three $10 increments toward purchases at seven online retailers. 800.COM is the only participating online retailer in the consumer electronics, movies and music categories.With purchases of The Big New Yorker Pizza, customers will receive premium certificates, each containing a unique personal identification number (PIN) enabling them to log on to a dedicated online site (AOL Keyword: Pizza Hut or