Summarystratasys Demo give away part. If you go to this website:
http://www.stratasys.com/Flex-Items/Home/Items/Sample-Part-Request.aspx
You can get your own free sample. With the sample, you could compare your print to the commercial machine.
-----------------Update---------------------------
* Solidworks 2011 & Step Files Added ;-) ***InstructionsTwo models to Print:
1) Original from stratasys
2) Modified model with Reprap Logo in Cap