This is a tough one. I probably put more thought into this question that what list i'm bringing to worlds.
Practical me loves the y wing, its tough durable and reliable with plenty of armament. Cant go wrong at all there.
If i were fighting in some sort of space war (for the rebellion of course) i'd probably want to be behind the sticks of a t70 or mayyybe an e wing.
But if i had my choice of anything, anything at all, i don't think i could pass up a tie phantom.