I dislike vessel sinks and would like to see a mirror above the vanity.

If you are happy with the end result, then that is all that matters.

I like the spa feel - very relaxing. Looks great!

I'm debating a mirror due to space so it would be small. Plus, it's a half bath off the entry way not sure of etiquette. If I were to put a mirror shape and color mirror would you use? And the vessel sink, which btw I love, is because I had the vanity made by a local artist and he used wood from a1940's tobacco factory and I wanted to keep it without a gaping sink hole. It's gorgeous wood.

I think a small round or oval mirror would look nice and provide a visual break from all of the straight lines. Something like this with a thin metal frame: mirror