Daystar Technology today announced the introduction of its new XLR8 CPU upgrade for the Titanium PowerBook G4 series. The company says this new CPU upgrade delivers up to 100% faster performance for owners of most classic Titanium systems. The PowerBook G4 upgrade dubbed, “XLR8 MAChSpeed G4 Titanium” is a factory installed upgrade, has been shipping for 3 months to “pre-release” customers and is available immediately. The base price of US$449 includes all parts and labor and US ground shipping.