NDA has been lifted on AutoCAD 2008 - so now we can talk about it.
AutoCAD 2008 enables you to directly attach MicroStation V8 DGN files as an XREF underlay. You can also import DGN data directly into an AutoCAD drawing.
You can also export DWG files to V8 DGN format.
DGNATTACH, a new command, attaches a [...]

