In Gmail, the left menu has been "cleaned up" to make it easier to get to Contacts and Tasks. You can also hide the Contacts and Tasks buttons by clicking the "-" sign to the right of "Mail". And now there's a more prominent "Compose Mail" button. This results in a smaller header area that put the first message in you Inbox about 16 pixels higher on the screen than before. For more information, visit: http://gmailblog.blogspot.com/2010/08/updates-to-contacts-and-slightly-new.html