Try to create a modern workspace
I like Concept E -- more green is always good! Maybe even incorporate free WiFi for productive lunch meetings, to send a quick email, or finish homework for school.
It would certainly attract more people, have them stay longer in the park, and adds an element of social media-use which younger age groups would be attracted by.
I'd say spend the money and create a space that's unique and memorable for people to take pictures and be productive in.