As a member of the Commonwealth, my natural inclination is to pick a member of the British Royal Family......
Since Peter Phillips is born the same decade as I am, he'll do quite nicely! He's the Queen's firstborn grandchild so certainly, has close connections to her, is the nephew and cousin of future Kings yet was raised without a title and with rather humble surroundings. I think it would be the best of both worlds- Royal at times and "normal" much of the rest of the time. And, I'd be able to go riding whenever I wanted at my "mum-in-law's" home!
I would have picked Nikolaus of Greece for many of the same reasons, but I can't imagine being compared to Marie-Chantal for the rest of my life. I'd love to have Alexia as my sister-in-law, but I don't think I could stomach Marie-Chantal.
Eliza