Dave is right - it's services that matter. This is ironic given the way Maemo led with integrating services into the UX, the n9 continued with and if ever Jolla get around to opening up, Sailfish uses also. If Jolla do, I might be back on Sailfish, but in the meantime I gave up fighting and I've been on Android for even the basic things (SIP, syncing, CalDAV, managing music, navigation, browsing)