512MB DDR333 SDRAM - 1 SO-DIMM 1.5GHz PowerPC G4 w/ 128MB Graphics Memory 80GB Ultra ATA drive @ 5400rpm Combo Drive (DVD-ROM/CD-RW) AirPort Extreme Card Backlit Keyboard/Mac OS 15.2-inch TFT XGA Display 1) is there a performance inprove ment with only one stick of ram? its either that or a spare battery i think. how long would the battery last with web/word and some games? what is the response time of the monitor? sorry about short post but first time i tryed it screwed its self and couldnt be stuffed re-writing it all out.