Plugin for selecting Dulux paint colors..

Dulux Trade has a digital color tool to enable architects and designers to download 2,000 shades into an existing design software package.The free digital resource contains all the shades in the Dulux Trade Color Palette. It works with Photoshop, AutoCad, Archicad and SketchUp. Very handy! Windows only plugin at the moment though it seems...See here if you are interested.

Design 3D and 2D floor plans using your browser..

Why not try Autodesk's Project Dragonfly? Looks interesting for 2D printouts and the exported drawings are compatible with Autocad 2007 and higher. Might be worth looking at. There is no software download as well and its free...nice
See here...