Confirming recent speculation from Mac rumor sites, Amazon.com has added a new dual 2.7GHz Power Mac G5 model. The online retailer lists the new Power Mac under model number M9749LL/A with the following specifications: Mac OS X10.4, code named Tiger, Dual 2.7 GHz PowerPC G5 processors, 512MB of DDR SDRAM, 250GB hard drive, and 16x Dual Layer SuperDrive (CD/DVD+RW). Amazon is selling the machine for US$2,994.99. It can apparently be pre-ordered now, with Amazon stating: “This item has not yet been released. You may order it now and we will ship it to you when it arrives.” Apple’s current high-end Power Mac G5 has dual 2.5GHz processors, 512MB DDR400 SDRAM, 160GB hard drive, and an 8x SuperDrive. It retails for $2,999.