1. Sprinkle fish with 1/4 teaspoon salt and pepper. Heat a large nonstick skillet over medium-high heat; coat pan with cooking spray. Add 2 fillets to pan; cook 2 minutes on each side or until desired degree of doneness. Remove from pan; cover and keep warm. Repeat procedure with remaining fish.
2. Add wine and next 3 ingredients to pan; bring to a boil. Reduce heat, and simmer until reduced to about 1/2 cup (about 10 minutes). Remove from heat; stir in remaining 1/4 teaspoon salt, butter, chives, and tarragon. Spoon sauce over fish; serve immediately.