Earlier this week, after pondering about it for some time, I installed 10.5 on one of Macs. The victim? My trusty 12 in. PowerBook. How does Leopard behave on this old Mac notebook? Surprisingly well, I must admit. My PowerBook has a 1.33 Ghz PowerPC G4 processor and just 768 of RAM. Far from what you may call a “great performer” when compared to the intel Macs these days. Despite my lacking