If you haven't already bought it direct from their online store (you know who you are, heathens), then expect to find it boxed in-store by the end of the year. Good Times!
On a related note, the above article includes a quote from 2D Boys Ron Carmel that of the ~150,000 people who have played the game, over 90% are pirated copies.
Sad news indeed, which only gives weight to the faceless corporate types who brand PC gamers as pirates unwilling to pay for stuff unless they have too. Bad Times!