There are many capabilities in Excel such as Pivot Tables, AutoFilter, SubTotal, etc. that are handy for data manipulation on a large scale that would be maybe impracticable for PT3. Below are some screen shots of the Addin.
If you think this is something you might find useful, I will post it in the repository.
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The form lays on top of the spreadsheet in a non modal state. You can retrieve SQL from saved text files or type in sql on the fly. The addin will add a menu item [ Poker Tools | Run Postgres SQL... ] to instance the form.
This is simple, that's why I like it and there are not a myriad of wizards, windows and or wysywig to deal with. It has been a great help for me to analyze data in ways not yet available in PT.