Add balsamic vinegar, shallot and honey to a blender pitcher; blend until smooth. With blender running, add olive oil in a steady stream; blend until emulsified. Season to taste with salt and pepper.
For the Salad:
Add spinach, strawberries, pecans, and goat cheese to a large salad bowl. Drizzle with desired amount of dressing; gently toss to coat. Serve.