It's good!

Perfectly vectorised my image, which I can now use for album art etc. That being said, I specifically picked a source image which would be easy to redraw because it was made up of large shapes, so your mileage may vary. I will add that the proofing system was great and they made the required changes. On the price - it's a tiny bit expensive, but cheaper than an Illustrator subscription (and learning how to use it).