Drop them an email or call them and see what happens. If they haven't had any changes to their product like in three years they may not have changed the website, but may still be very much in business. If you are a country where they are imported try talking to the importer.

The website was copyrighted in 2007 and appears to be very much active.

http://www.lipinskisound.com/COMPANY.ASPX

http://www.stereophile.com/standloudspeakers/1205lipinski/

http://www.proaudiosolutions.com/product-p/lipinski-l707.htm