Possibility to use both smd parts and hole mounted parts for additional decoupling. At the picture you can see that almost any type will fit including Black Gates
You can have a grounded decoupling. This is something unique.
You can have a grounded decoupling and decoupling between + and - at the same time. See the picture. This is really something unique.
No adapter in the world has that and this may sometimes be important if you plan to use demanding high speed, high performance opamps.
Doublesided pcb with plated holes.
Highest quality when it comes to pcb material, compliant to RoHS (lead free).