I think that the best all around fighter, from a realism point of view, in all of sci-fi has to go the B5 Starfury, followed by the X-wing, which wins out in terms of visibility for the pilot. As cool as they look I think the worst has to the Viper, from both incarnations of BS, those things have horrible rearward visibility with those massive engines sitting behind the cockpit, and downwards visibility is somewhat impaired by the wings extending so far forward but is far better than the Buck Rogers fighter and the A-Wing. Actually, scratch that the Draconian Marauder from Buck Rogers has to take the prize for horrible fighter design, you have terrible all around visibility and rather large and prominent cockpit.