When you say you feel the difference, I'm curious if you mean in terms of size or weight or both. I ask because believe it or not the 13.3" MacBook Pro is actua

When you say you feel the difference, I'm curious if you mean in terms of size or weight or both. I ask because believe it or not the 13.3" MacBook Pro is actually ~0.1 pounds (0.06 kg) lighter than the 12.1" PowerBook G4. Sources: 13.3" MacBook Pro Tech Specs: http://www.apple.com/macbookpro/specs-13inch.html http://www.apple.com/macbookpro/specs-13inch.html 12.1 PowerBook G4 Tech Specs: http://support.apple.com/kb/sp48 http://support.apple.com/kb/sp48