Hehe it is addictive aint it.
Bloody mashiro has all bar the last ship.
I've scored myself the:
Stealth Cruiser A/B
The Mantis A/B (BTW this is the best ship because the matis kick everyones heads in)
The Engi Cruiser A/B
Federation Cruiser A/B
Zoltan Cruiser A/B
If you want to know how to unlock each
Also finally managed to finish on normal mode.
I have a plan that never fails