Don't know what changed in update 2.0 check out the video review & patch notes. Plus with update 3.0 coming out very soon, i'll be on the lookout for a good video review for it. Read all the 2.0 patch notes. Additionally Update 2.1 Fixed City Processing: Fix for some issues that have caused cities not to process. Updated 2.2: Addressed a number of crashes.
Video Blog with all things SimCity from Cheats to How-To and Tutorial videos.