You can preorder them now and they will start shipping out on April 11:
Kipon Iberit 24mm f/2.4 at Amazon and BHphoto.
Kipon Iberit 35mm f/2.4 at Amazon and BHphoto.
Kipon Iberit 50mm f/2.4 at Amazon and BHphoto.
Kipon Iberit 75mm f/2.4 at Amazon and BHphoto.
Kipon Iberit 90mm f/2.4 at Amazon and BHphoto.