In the past few months Sigma announced some very interesting lenses, including the world's first f/1.8 zoom. The latest rumors indicate that later this year the company will introduce also new Sigma 135mm f/1.8 DG OS and 24mm f/1.4 DG Art lenses (the new Art line of Sigma lenses are designed to deliver the best image quality possible). An update for the current 50mm f/1.4 lens is also a possibility.
