Daystar Technology today announced it has expanded its offerings for the XLR8 MAChSpeed G4 Upgrade Series. Effective today, Daystar has expanded its new line of PowerBook G4 Aluminum CPU upgrades to include the PowerBook G4 12″, for US$449. Daystar has also added  low-power choices, re-structured pricing, and now includes free shipping. The new MAChSpeed G4 Upgrade allows any 12″ Aluminum PowerBook (1.0 GHz or above) to be upgraded to the latest 1.67 GHz speeds. The upgrade also doubles the size of the internal cache on the early PowerBooks, and delivers up to 60%  more speed, says the company.