I use the [text] object for this. I send a list of symbol/float to [text set], which looks for an existing [symbol/float] in a text file and either writes a new line or updates its value. [text sequence] then outputs all the values from that list and updates the respective destinations. The text file is saved and recalled on demand with dedicated buttons. I think from here it should be trivial to make selecting the text file dynamic and so using different presets, but I haven't yet implemented this.
So far, this simple system has worked well for my needs. All comments on this are much welcome!
Since it's easier to look at PD code than to explain it, here's an example:
