Just ran across this article, seems they've found a possible way to use antimatter as a gamma ray source for new lasers... Could be interesting.
http:// technology.newscientist.com/article/mg19526216.000-antimatter-molecule-could-lead-to-ultrapowerful-laser.html
http:// technology.newscientist.com/article/mg19526216.000-antimatter-molecule-could-lead-to-ultrapowerful-laser.html