Julie's Jurassic Jaunt (or "how to buy wine for 40 people")

Bubbles in the rather handy wine chiller cabinet

So, I have a friend, we'll call her Julie. Julie says to me, please can you buy the wine for my upcoming 40th birthday celebration - a weekend house party on the Jurassic coast (near Lyme Regis), with 40 guests (including the Morning Claret, off duty of course). I ask for guidance, and luckily it's very b…