[Dovecot] reason to switch to 1.1

We've been running 1.1 on about half of our servers for about a week now. Ive mailed before that I was pleasantly surprised by its better use of resources. Here's a graph showing that fact. Server load in the last 10 days.

http://uwimages.smugmug.com/photos/286355874_9FNp2-L.png

Cor