Diablo 3 is here at last, but the release hasn't gone as smoothly as Blizzard would like thanks to some launch day hiccups in the form of an "Error 37" message. Some players are reporting (via Shacknews) that they're greeted with a message upon launching the game that reads: "The servers are busy at this time. Please try again later. (Error 37)"
An update from the developer on Battle.net confirms that the issue is related to the servers being slammed hard with the influx of new users. "Due to high concurrency the login servers are currently at full capacity. This may cause delays in the login process, account pages and web services. We apologise for any inconvenience this may cause and thank you for your patience while this is being resolved." There are also apparently issues affecting character creation that Blizzard is looking into.
This is a huge launch and issues were to be expected. Kudos to Blizzard for getting out in front of it and commenting quickly. How has your first-time Diablo 3 experience been so far? Is the game working fine? Running into these issues or any others? Let us know!