Option 2 seems great. Putting it underneath the overpass is a good idea (for as long as the overpass is there). It activates that part of the brick area and is very close to the 39, subway entrance, and both busways. Option 1 means that anyone who wants to use Hubway in conjunction with public transit will need to cross the street. Seems unnecessary given all of the available area beneath the overpass.

I'd like to see one at Forest Hills. It's a major transit hub.