I had a very good experience visiting the Fujifilm Square on the ground (first) floor of Fujifilm's head office in Tokyo Midtown. There are a couple of photo exhibitions, which are pleasant, and a lineup of old cameras as well as all the X-series (including the 90mm f2). However, the highlight is the lens and camera rental service. If you return the gear before 6:30 the same day, it is free. Today I took out the 16-55 and 50-140 lenses for the day. All lenses and bodies are available; you just need to show photo ID and a credit card.
I also had a chat with the man at the service desk. He confirmed the old story that the buttons on the early-run X-T1 (which I have) are mushy and useless, and were replaced fairly early on in the production run (and of course in the graphite version). There is no replacement service but if the buttons become completely unresponsive they will swap them out.
I asked if the 90mm will be available for a day's free rental next week. No, all the early copies will be supplied to retail, and it will be a couple more weeks before Fujifilm get any for us to play with.
Hope this helps - a great way to spend an afternoon in Tokyo. Numbers of rental copies may be limited - I got the last 16-55 on a Wednesday afternoon - but the whole range is there.