I am getting loads of issues with Native Draw turned on. Inserted images don't display, dynamic input at the curser doesn't display, the grid doesn't display and if it does, it's not correct.
As soon as I turn it off, all my problems go away.
Win7 x64, Dell Precision T3400, 8 GB RAM, ATi HD3870 - latest driver
Home-Dell T3400 Quad Core Q6600 OC'd 3 GHz., 8 GB RAM, Radeon HD 3870, Windows 7 x64
ACAD 2012, DoubleCAD XT Pro v3, Alibre 2012 Expert, 123D