If the Set you want to track has liquidity either on DEX or CEX's (e.g. DPI), chances are that it is chartable on the following products:
For Sets that are just available via TokenSets and direct contract integration, performance tracking is available currently on Zerion.
Whilst it is up to the manager of the Set to provide communication and news regarding his product, keeping up to date on changes to allocations in the Set is straight forward from a UI perspective too. Some examples of useful information to check on are:
Set token price ($)
Asset allocations (%)
Set Streaming fee (%)