It would be great if either through the web site, or even as a feature within Logos, we could see exactly what we do and do not have in resources. Current problems with relying on the grayed out buttons in browsing products:
1. Products bought from a third party will not be reflected as purchased;
2. If you have some of the resources of a bundle there is no easy way to find out which ones. Maybe it's worth buying a bundle, or maybe a discounted price could be offered if the license with the publisher supported it.
3. Resources are re-bundled in new collections, I may not have bought the new collection but I may have most if not all of the resources in it. This happens particularly during specials and sales.
4. Sales never reflect what I have and don't have. I always have to check or think about it.
IMHO I think the more we can see what we have and what we do not, even down to the resource, the more chance we will buy something. Come on Logos!