Legends of Kalidasia has a couple Surakari Frigate variations now available in their webshop to help diversify your fleet.
From the release:
The first of the new Legends of Kalidasia miniatures for 2014 are here. A 3D printed upgrade kit now allows for Surakari Frigates to be transformed into the Anti-Missile Frigate and the Plasma Missile Boat Variations. These figures are available in the $50 Surakari Combat Force Box Set and as a $10 Standalone Figure. Purchase these new warships today through our Kalidasia Store.