iBook/iBook G5: An estimated 1.3-1.5 million/year (combined shipments of the two series) will be shipped, to start shipping in 2Q (2nd quarter) 2005 Technical specifications: none released yet PowerBook G5: An estimated 30k-50k/month will be shipped, to start shipping in 2Q (2nd quarter) 2005 Technical specifications: New Power Mac G5 systems, code-named Q87, will top out at 2.7GHz, sources said, while video cards are being upgraded with double the SDRAM. All models will feature SuperDrives offering dual-layer DVD+R support, as well as DVD±RW/CD-RW compatibility. Three primary configurations will be offered with the following specifications: * Dual-2GHz o 512K L2 cache per processor o Dual 1GHz frontside buses o 512MB PC3200 DDR SDRAM (4GB max.) o 160GB Serial ATA Hard Drive o 128MB DDR SDRAM ATI Radeon 9600 video card * Dual-2.3GHz o 512K L2 cache per processor o Dual 1.15GHz frontside buses o 512MB PC3200 DDR SDRAM (8GB max.) o 250GB Serial ATA Hard Drive o 128MB DDR SDRAM ATI Radeon 9600 video card * Dual-2.7GHz o 512K L2 cache per processor o Dual 1.35GHz frontside buses o 512MB PC3200 DDR SDRAM (8GB max.) o 250GB Serial ATA Hard Drive o 256MB DDR SDRAM ATI Radeon 9650 video card Sources were unable to confirm at this time whether the systems will sport the dual-core PowerPC 970MP processor or the single-core PowerPC 970GX, although unconfirmed notes point to the PowerPC 970MP. The second core would deliver performance gains far greater than the 200-300MHz bumps each processor is receiving alone with the update. Also uncertain is whether a more affordable single-processor Power Mac G5 system will continue to be offered. After axing the model with last June's Power Mac G5 revision, Apple re-introduced the less expensive 1.8GHz single-processor system in October 2004. (Retreived from http://www.thinksecret.com/news/0504macs.html) (Retrieved from http://www.digitimes.com/news/a20050114A7040.html)

IBM began dragging its feet and said, "no G5 laptop for you". Some of the previous answers have the details why.