This is what I meant by being not happy with the single source for streamed Ortho. Below you can see small comparison from XP. Its great to choose from different sources of Ortho for particular region.
Left - Source : BI; Zoom Level : 17
Right - Source : CZ; Zoom Level : 18
Left - Source : CZ; Zoom Level : 17
Right - Source : CZ; Zoom Level : 18
