I was just about to purchase a MBA but I saw that there's chance that there will be an upgrade w/ SB in June. If all I really do is use microsoft office, surf the web, watch movies, and transfer/play music (no gaming)..would it be worth the wait for a better CPU? I'm also big on battery life but I'm not enough of a computer geek to know if the new update will be worth waiting for. Will the update dramatically increase battery life? Also, will the new MBA's physical design change? I was just about to get excited to use my new MBA now, too!