First of all I didn't go. But I still have an impression. What was sitting on my desk this morning? 10 Ways that SolidWorks Slows You Down and How Pro Engineer Speeds Things Up. Although this particular piece of marketing has been answered on the newsgroup, my associates don't know that. And somehow they have the impression that SW needs speeding up. Wonder how that came about? Adobe .u3d. Looks mighty interesting. Adobe has a reputation for fast, reliable, compact and easy to use software.