Yep, since its gotten so quiet, I have been checking other things, but except for the already mentioned buildings, there is nothing bad to report. In fact the recent update seems to have added a bit of efficiency to Outerra, so I have actually notched things up a bit.
The Alps area is fine. Still slight hesitations near Talkeetna. I'm beginning to doubt I will ever find out why.
By the way, in the full Talkeetna download, I think you may have missed this: World2XPlane > houses > EU > AT
Was getting a warning that it didn't exist.