You’re right that the solutions are refreshed versions from the legacy product. What is new is the integration through the Tiller Labs add-on to discover, insert, restore and update.
For example, we fixed a number of formula hiccups in some esoteric scenarios in the
Yearly Budget yesterday. With a few clicks, Foundations template users can update to the latest and greatest.
We hadn’t really considered the scenario of a user adding “all of the Tiller Labs solutions”. There might be some Sheets performance issues in that use case. Let us know how it goes…