Hey ppl maybe this has been dicuss lots of time abt the powerbooks but pls help me i wanna fully switch to mac so i need all u ppl to help me thanks! Is there any real difference from 1.33Ghz to the 1.5Ghz ones? How is the Batt life like? Is there any heat issue? Do u have a rough ideal if its fast enough to compile C++ and Java? Thanks again ppl... Would like to join u guys soon!!!