According to reports, organizers Jewellers International Showcase (JIS) have announced that in April 2008 they will expand the size of JIS' international tradeshows.%%Taking place from Jan. 19-21, 2008, the JIS January show will see a 50 percent increase in show size, and JIS' largest show, held annually in October, will see a 35 percent increase in 2008.%%The next JIS show will take place from Oct. 19-22. All upcoming shows will be held at the Miami Beach Convention Center in Miami Beach, Fla., as they have been since the first JIS show in 1980.