http://blogs.zdnet.com/BTL/?p=1417

"However, enterprise-class features such as support for multiple processors and fully-featured J2EE servers requires Visual MainWin for J2EE Enterprise Edition, which, according to Mainsoft’s site, has a base price of $5,000 per developer for a two year license."

Paying a one time charge is different from seat and time based extortion for a non crippled version, which is what patents and non FLOSS software specialise in.

rgds jtd