The official release date is at the end of February 2013 but (hopefully) pre-ordered copies could be in your hands before the official release. Maxi's first two albums "Welcome To Soonville" and "The Neglected Gambit" are still available via her official web site at the time of writing. You may also recall that both albums were reviewed by ELOBF in December 2011 thus:
Review: Welcome to Soonville/The Neglected Gambit (Maxi Dunn)
Have a listen to "Dragonfly" in the meantime or check out the Maxi Dunn official web site or the Maxi Dunn YouTube channel?