Yeah, definately go SF64 Arwing-all the other's suck. (The GC one isn't half bad, but N64 kicks its ass.)
Edit: some quick searching revealed this:
various blueprints (for modeling and techroom purposes)
Link Link Link Link (might have to do the copy paste trick on some of these)
Some fanfic information:
Model Type: CAF AR-117A
Class: Tactical Transatmospheric Fighter
Crew: One
Speed:
In space: Mach 8.2. In an atmosphere Mach 4.2.
Range: Effectively unlimited; limited only by the pilot's endurance and the life support system, which lasts for 10 days.
Height: 10 feet.
Width: 30 feet.
Length: 28 feet.
Weight: 10 tons
Cargo: None.
Power System: Anti-matter; average energy life of 20 years.
Market Cost: 150 million credits.
T&B-H1 Laser Cannon- This is the main weapon of the Arwing. These lasers are one of the most powerful laser weapons mounted on a space fighter in the Three Galaxies.
Rate of Fire: Equal to hand to hand attacks of the pilot.
Effective Range: 5 miles in space and 2 miles in an atmosphere.
Payload: Effectively unlimited.
"Nova" Bombs- This is a new type of explosive developed specifically for the Arwing. These "bombs" are just specially modified long-range or cruise missile warheads.
Primary Purpose: Anti-ship.
Rate of Fire: Up to two per melee.
Effective Range: Varies with missile warhead type.
Payload: 9 bombs.
And a great Star Fox site:
http://arwing.host.sk/sf64/