1. In a large skillet, cook beef over medium heat until no longer pink; drain. Stir in half of the taco seasoning. Remove from the heat; stir in the shredded lettuce, tomatoes, onion and cheese.
2. In a small bowl, combine the Miracle Whip, salsa and remaining taco seasoning. Pour over salad and toss to coat.
3. Line a large bowl or platter with leaf lettuce; top with taco salad. Sprinkle tortilla chips around edge. Yield: 4 servings.