MathWing time!
Conclusion: 12/4 hull/shields is nice, but it actually has less durability than the YT-2400, named YT-1300, or Firepsray due to its 0 agility. (estimated results). Its 64% jousting efficiency really can't touch the Firespray's 85% jousting efficiency. However, it has a 360 degree firing solution, which is going to make it a good counter to TIE Phantoms, and increases its overall efficiency. You're really paying for those 3 crew slots on this ship, so you will need to use most or all of its Crew slots to really take advantage of it.
Edit: P.S. I haven't read any of the comments on the thread here yet.
No real surprise their of course I think comparing the Yt-2400 to a Firespray would be reasonable bet, the Firespray has an attack die but only has a rear arc not a full turret, but the rear arc while giving it a blind spot probably has enough advantages over a turret to make the 2 about equal
