Well, just installed and I rather like it. Sleek design. Simple interface. RSS is a good addition. Sadly, though, no auto-feed discovery like many RSS clients do nowadays.<p>At first glance looks more appealing than Thunderbird. Certainly so in configuration, which is simpler and more intuitive. Thunderbird's single SMTP pane for all accounts annoys me each time I see it.<p>Lacking vertical positioning for the "List and Message below" layout. But I guess it's just a bug.<p>They launched it very timely, when the cloud is no more to be trusted. Behold! The return of the desktop app! :)