I know you said other than the 3d warehouse, but...
http://sketchup.google.com/3dwarehouse/details?mid=8b65813c6ab0c972ca2bd098b9203af&prevstart=0
http://sketchup.google.com/3dwarehouse/details?mid=e283bda3d44b6a30785fc017b31be9fd&prevstart=0
http://sketchup.google.com/3dwarehouse/details?mid=2a5798eeefc522f672944095af0d99d6&prevstart=0
If you want higher quality than this, you're probably going to have to pay for it, in which case, you can try Turbosquid or FormFonts.
http://formfonts.com/viewModel.php?view=1&id=7159&config=1
http://formfonts.com/viewModel.php?view=1&id=7166&config=1
http://www.turbosquid.com/FullPreview/Index.cfm/ID/173589
http://www.turbosquid.com/3d-models/3d-3ds-b-757-200-american-airlines/209820