I just upgraded to D3 Doors & Windows for AC10. Still many of the same old glitches with some parts but also many improvements. Well worth the $40 upgrade.
I figure if we support Neil with upgrades, he'll keep working on improvements. Kind of like tipping your bartender ahead of time.
Pete Read
ArchiCAD 12; Artlantis Studio 2
MacBook Pro 2.4 Core2Duo, 2GB, OSX(10.5) and XPpro(SP3)