Collaboration comparison of Autodesk Design Review, Project Freewheel, and Autodesk Freewheel

My article on Project Freewheel Collaboration Geared for Multiple Interactive Users generated many questions on how Project Freewheel is different from Autodesk® Design Review. We also have Autodesk® Freewheel. I thought it best to summarize the differences in a table.

Aspect	Autodesk Design Review	Project Freewheel	Autodesk Freewheel
Solution	Application	Software as a Service	Software as a Service
Marketing Description	The free all-digital way to measure, mark up, and annotate 2D and 3D designs	A testbed for new technologies with the goal of gathering early community feedback	The free web service to view and share 2D and 3D designs without the need to install additional software
Download	39MB	No download required	No download required
Install	User privileges required (Admin rights not required)	No install required	No install required
Operating Systems	Windows Vista, Windows XP Professional or Home Edition, Windows 2000 SP4	Windows, Macintosh, or Linux	Windows, Macintosh, or Linux
Browsers	Internet Explorer 6 or 7	Internet Explorer 6 or 7; Firefox 1.2 or higher; Safari 3 Beta	Internet Explorer 6 or 7; Firefox 1.2 or higher
Internet Connection	Optional	Required	Required
Supported Formats	DWF, DWFx, FLC, BMP, CAL, GIF, IG4, JPG, PCX, PCT, PNG, RLC, TGA, TIF, DWG [via Autodesk DWG TrueView], DGN and JT [via free downloadable plug-ins]	DWF	DWF
Markup	Callout, Freehand sketch, Line, Polyline, Rectangle, Ellipse, Stamp, Custom Symbols	Callout, freehand Sketch, Highlight	Not available
Measure	Distance, Length along polyline, Area, Relative Distance, Length/Radius, Angle, Point location	Not available	Not available
Print	Supports any paper size and resolution supported by a Windows compatible printer	Supports A-sized, portrait, 200 DPI at this time	Supports A-sized, portrait, 200 DPI at this time
Collaboration	file based	real-time sharing session	Not available
Update Process	Integrated AutoCAD, Inventor, and Revit round-trip	View session using browser	Not available
Cost	Free	Free	Free

Project Freewheel is available at http://freewheel.labs.autodesk.com. Is measure something desirable in a software as a service solution? Please tell us what you think at labs.freewheel@autodesk.com. Clarifying Autodesk offerings in terms of an electronic review process is alive in the lab.