Good job on the wrap! I love Matte Dark Grey because it has somewhat of a metallic look or flake in it. It's great and definitely something I considered before doing mine.
Tip: Use Meguiars Wash and Wax car shampoo followd by Meguiars Quick Spray Wax and it'll get your vinyl to bead water off even better without comprimising the look of the matte nor the longevity of the vinyl. You may also use Meg's Quick detailer between washes to keep it looking good!