http://hackernews.i2p/item?id=31728531
., showing all emails and attachments to/from sender when clicking on an email, keyword searches); yes, I know the plugin is still available but it doesn't work properly with current Outlook versions (and no plugin like this exists for Thunderbird) But if the upgraded K-9 also got other integrated Thunderbird functionality (e.g., calendar, contacts, tasks), that would be especially amazing as I could then move away from Google (which I'd also LOVE to do).