Now that Apple is reaching out into so many areas lately, bloggers following Cupertino’s every move are looking at topics all over the map. However, there were a few important subjects that rose to the top this week: Apple’s notebook share in the U.S. has surged, speculation over the next MacBooks and MacBook Pros is heating up, Apple has dropped the OS X 10.5.5 update, and PA Semi might be working on ARM iPhone processors. DisplaySearch reported that Apple’s North American share of the notebook PC market had jumped up to 10.6 percent in the second quarter of this year.