Hi everybody, I'm going to finalize very soon the purchase of a new PowerBook 12" (Rev C). I already ordered a third party 512MB SoDimm (PC2700/333Mhz) My only concern is about the HD that Apple provides by default with this PowerBook. It's a 60 GB at 4200rpm. However, at the time of the order, the customer can choose to have his unit delivered with a 80GB/5400rpm HD for an additional expenditure of 180 euros... My questions are as follows: Would this HD possibly increase the heat generated by the laptop? Also... would the battery life be affected by the higher performance of this HD model so that the charge will last less than with an ordinary 4200rpm HD? If you believe that this enhanced HD is not going to increase considerably the performance of the PowerBook, I would not go ahead with this upgrade in order to avoid anyone of the two issues above. Could anyone of you also be so kind to give me an idea if he perceives the normal 60GB/4200rpm HardDisk as an actual bottleneck in the PowerBook? Many thanks to all in advance!