I've used a number of light fighters, and I find that their maneuverability can make a big difference in combat. If you can't beat a VHF, you can at least escape from one. In terms of best maneuverability, I really can't tell you which is the best. As nimble as they all seem to be, it's hard to pick one over the other. The best of the best is the Rheinland Banshee. If you can afford it, it puts most heavy fighters to shame for firepower and defense. One step down from the Banshee is the Hawk.
If you're on a budget, I recommend the Cavalier or the Legionaire. Both are extremely nimble and fun to fly. They also have a low profile making them harder to hit. I would add the Pirhana to this, but I haven't flown it. The Legionaire has a long wing, but it's very narrow.
Anyway, I've used these ships to great effect. I've been able to face down great odds without difficulty. Anytime I start getting pounded on, I can go defensive, wheeling and dodging, until my shields recover. If I'm being evasive, I've found that I'm almost impossible to hit. Of course, this is all against the AI, couldn't tell you your chances versus another player.