Babylon 5 for me
Babylon 5 (Babylon 5) 88%
Nebuchadnezzar (The Matrix) 81%
Millennium Falcon (Star Wars) 81%
Deep Space Nine (Star Trek) 75%
Galactica (Battlestar: Galactica) 75%
SG-1 (Stargate) 69%
Bebop (Cowboy Bebop) 63%
Serenity (Firefly) 63%
Moya (Farscape) 56%
Andromeda Ascendant (Andromeda) 50%
FBI's X-Files Division (The X-Files) 38%
Enterprise D (Star Trek) 31%
Like Phil I rather fancy a Boomer of my own, but they do seem to bring trouble with them. Of course, the question is still moot as to Whom withoin the series I would be, but I think you get the flavour from the rankings above.
Give me a clapped-out cannibalised spaceship or an isolated fragment of humanity and some alien pals and we'll build something to take on the REAL aliens...