The command syntax is sometimes a bit clunky but they are making regular improvements.
Not to repeat lgbr, but the registry is pretty easy to get running. I had some problems initially, but it was mostly because I didn't really understand how to use a container all that well. That sounds somewhat silly, but it ultimately was true.
Finally, the hype is ultimately a good thing. There's a lot of focus on the project right now, which (hopefully) means we can expect a good deal of improvement and stability in the near future.