The order gunboat? I'd say IMG too, but I think that one is uh.. heh, well I dont think it's going to be a long term purchase.
Outcast gunship is pretty much the most common gunship about, and if you go into liberty with it I think you'll get shot, or you'll make some poor LN fella break down in tears.
I'm afraid you're a bit short of options, polish up your VHF and bomber skills I guess.