Attached Link: http://www.e-onsoftware.com/products/vue/vue_6_pro_studio/?page=8

I still can't see where you can buy individual modules ? .... I must be blind but all I can see is sidegrades and upgrades between versions and editions ....

The attached hyperlink is where I end up once I try to find out about how to purchase the modules.

Also, back to the original question about how good Vue 6 Esprit is, can you tell me if the spectral cloud mapping is resource-intensive or not ?