An in-depth look at Mail 5 in OS X Lion
Managing email on OS X has always been about finding the lesser of many evils. I have too many email addresses to use webmail efficiently, but I've never been happy with any email program on the Mac. That finally changed, thanks to OS X Lion.
http://feedproxy.google.com/~r/TheAppleBlog/~3/uLC3Ah6dtwM/