You should download the "Combo" version because it's brings a 10.4.0+ system straight to 10.4.9 Here is the 10.4.9 Combo Update. Install this and it will bring you straight to 10.4.9.
Here is the 10.4.7 Combo Update is you really want to go to that.
__________________ PowerMac G5 Dual 1.8(Rev A.), , 7 Gig RAM, Pioneer DVR-110, ATI X800XT, OS X 10.4.11 & 10.5.5, 23'' HD LCD Mac Book Pro Core 2 Duo 2.16Mhz, SuperDrive, ATI X1600, 2GB RAM, OS X 10.5.5 1TB Time Capsule 5g iPod 30Gig White |