Preheat oven to 425°F. Mix oil, garlic powder and pepper in large bowl. Add broccoli and tomatoes; toss to coat well. Spread in single layer on foil-lined 15x10x1-inch baking pan.
Roast 13 to 15 minutes or until broccoli is lightly browned.
Meanwhile, mix vinegar, honey, basil and oregano in small bowl. Drizzle over roasted vegetables; toss to coat well. Serve immediately.