I would love the ability to reference my existing smartlists when creating new ones (smartlistception, anyone?)
I like making mixes using various prebuilt (unrated, favorites, not recently played) and custom expressions. Instead of having to copy and paste the code out of each smartlist list into a new one, it would be nice to simply choose which smartlists I want to use and choose what percentage of each to add when creating a mix.
Thanks for the great forum to suggest ideas like this.