One thing I don't think has been talked about enough with this building is the mechanical screen. We see way too many times a promising building topped off with disappointment. Developers cheap out on the screen and so you end up with something that clashes, something where the colors don't match or the materials are different. All too often it's an afterthought, not even a cohesive part of the design, as if they were surprised at the end to discover they had to put all this crap on the roof and now what are we going to do about it. 22 Liberty is a good example. Looks like they just found some scrap lying around at different work site and threw it up there.
On Lovejoy I love how it's transparent, how the glass just continues on up uninterrupted. I love how you can see the boxes and ducts through the glass. These are a part of the building, and the architect acknowledged that and didn't try to hide it. Just like the glass a couple floors down may reveal furniture and people, here it reveals the mechanicals. The glass ties it all together perfectly, integrating it instead of concealing it, making it feel like an important part of the structure and not something shameful that we're supposed to pretend doesn't exist. It's simple and cohesive and kind of brilliant.