About model and data exchange with 3rd party solutions: Revit, Solibri, dRofus, Bluebeam, structural analysis solutions, and IFC, BCF and DXF/DWG-based exchange, etc.
Out of the two, I think Google has better quality aerial photos for the UK, but Bing has got some really nice angled birdseye images for many major towns and cities.
... and if you are not on the Mac, there is Google connection for ArchiCAD where you can import the actual Google Earth location and also place your ArchiCAD model into Google Earth ...
