Actually, the Model 3 ramp was torturous. Tesla learned a lot from that though, so I don’t expect a repeat. I don’t see them being able to meet demand for the Y until they get the Berlin Gigafactory up and running smoothly.
When I drove by the Tesla "staging area" on Friday, it was loaded back there more than I've seen before. It was hard to tell because they were covered with transportation sheets, but I guess they were Ys.