Giga Designs today announced that it is now shipping the 1.7GHz – 1.73GHz G4 single and dual processor upgrades available for Apple AGP equipped G4 Power Macs, including the Power Mac Cube. The new G-celerator AGP 7A series upgrades use the latest G4 (7447A) processors available from Freescale (formerly Motorola). The new 7447A processors are available at speeds up to 266MHz higher than the previously released Freescale 7457 microprocessors, and have a 512KB on chip L2 cache. G-celerator AGP 7A series upgrades will start shipping later this month at prices ranging from US$449 to $799, depending upon configuration.