I don't believe it is completely psychological. The big area on iOS 5 where I saw lag was the keyboard. A lot of times it would lag a few keys behind and then c

I don't believe it is completely psychological. The big area on iOS 5 where I saw lag was the keyboard. A lot of times it would lag a few keys behind and then catch up in a burst. iOS 6 seems to have fixed that, or at least I haven't seen it do that yet.