Upgrades are available from previous versions of ERM Diagram, and to 4 developer or Site licenses
 

	$ 499	ERM Diagram 4.1  1 Developer Upgrade    (From 3.8  1 Developer License)
	$ 999	ERM Diagram 4.1  4 Developer Upgrade  (From 3.8  4 Developer License)
	$ 1999	ERM Diagram 4.1  Unlimited Site License    (From 3.8  Site License)

All prices quoted are in US Dollars. Competitive cross-grade prices from other diagramming products are available on request.