With 1.1.1, every time I tapped the SMS icon to open the last conversation, I would get a blank chat and have to wait 3-5 seconds for the chat to appear. I thought maybe it was because there were a lot of messages, so I cleared them. But sure enough, the next SMS I got, there was the same long delay in seeing it after tapping the icon. This was driving me nuts. I was getting similar lag by tapping the bookmarks icon in Safari...about 2 seconds before the bookmarks would appear if a page was loading. So I decided to go back to 1.02. I haven't tested the bookmarks yet, but I can confirm that SMS is back to being very snappy to open. I have a feeling that this tiny annoyance will not likely get addressed in the next update.