:::The melange of formats suits me fine, but then I only scan for particular formats I need and the formats I want, and ignore the rest. Sorting them into a large, sparse table would only make it more difficult to compare more relevant features in the existing tables. Still, it would be helpful if 3D formats followed 2D formats in the laundry list (though evidently not so helpful that I'd take the time to do it myself).    

 ==I just expanded the Features table== 
 Formally, that is. It was waaaaay too skinny to be useful, so I twiddled field widths a bit and let the table fill the display width. There doesn't seem to be any rhyme or reason to how it's done - does anyone know of a policy or rationale addressing this. 

 Also, does anyone know what the DDF file format is, or why Google included it in SketchUp?