Michael,
Vision 7.1.1 is the most recent version of the NI Vision software. The release notes for this product can be found at:
Vision 7.1.1 Release Notes
http://www.ni.com/pdf/manuals/371010b.pdf
Purchase/Ordering information can be found at:
Programmable Vision Functions
http://sine.ni.com/nips/cds/view/p/lang/en/nid/2881
If you have any additional questions, please let me know.
Regards,
Scott R.
Applications Engineer
National Instruments
Scott Romine
Course Development Engineer
National Instruments