According to this post on the Official PlayStation Forums, Dylan Cuthbert of Q-Games has confirmed via email that PixelJunk Monsters will indeed be getting a patch for trophy support and possibly other features. (In-Game music anyone?)
The good thing is, that I have emailed, Dylan Cuthbert and his reply, was very similar in terms of greeting, and regards.
Here is the email response from Dylan Cuthbert…
Hello there,Yes, we are definitely considering a patch for this and including trophy support amongst other things.RegardsDylan Cuthbert
Q-Games Ltd.