Although Bluetooth-enabled devices haven't quite entered the true mainstream yet, they are <A HREF="http://www.brighthand.com/article/Study_Says_Bluetooth_Going_Mainstream">poised to take that next step.</A> At least, that is the opinion of market research firm In-Stat/MDR. It predicts that shipments of Bluetooth-enabled devices will experience a 60% compound annual growth rate between 2003 and 2008.