DOA 5 Last Round has received a bit of a delay on Steam.
Here is the statement they shared on their Steam page:
In order to provide you with the best experience possible, the expected release date for Dead or Alive 5 Last Round on Steam has been changed from Feb. 17 to March 30. In appreciation for your patience, we’ll be offering the Halloween 2013 Set (28 costumes) free of charge to all users who purchase Dead or Alive 5 Last Round on Steam.
Thank you for your understanding!
Online modes for Dead or Alive 5 Last Round will be added in a patch within 3 months of release.