Apple does it again. A flurry of announcements with some really cool digital devices. The Mac Mini is relatively inexpensive at $629. It is a 2-inch tall, 6.5-inch square anodized aluminum enclosure. Mac mini houses a 1.25 or 1.42GHz G4 processor, 40 or 80GB hard drive, a CD-R/DVD-ROM optical drive, 256MB DDR SDRAM and ATI Radeon 9200 graphics chip with 32MB dedicated DDR SDRAM.