Thanks the reports! And our apologies for any inconvenience caused as a result today's login issues. As noted in another thread, our teams are currently investigating and working to resolve these issues (to get you all back into the game, without queues) just as quickly as possible.
We'll providing updates, as they become available, in this stickied thread. Please feel free to join in on the discussion there! You can also follow @BlizzardCS on Twitter for updates, as well.