In addition to the features of Mailplane 2, it supports Gmail's new compose mode, previews attachments in QuickLook, integrates with Mountain Lion's Notification Center and looks gorgeous on Retina screens. And with AwayFind and RightInbox, we have two new plugins on board. Both were kind enough to give Mailplane users a 30% discount until May 15th. Click here for AwayFind and here for RightInbox. We urge you to check them out! Last but not least, Mailplane 3 integrates Google Calendar and features tabs to switch between accounts in a blink of an eye. Visit our site to learn more.