Mike, by now I hope you know that the Infinity sails from Valparaiso on December 28th, and not the 30th!
I will be aboard for this exciting journey also. I'm not British, but my husband's parents were born in England, so does that count?
We've traveled to the U.K. several times and have relatives over there. We look forward to other trips back to the 'homeland'.
Let me know if you've heard of any good shore excursions yet. I'm going to be exploring those options soon.