'Converting' the doubters
What's the first LP in your collection you'd fly to if someone asked you to demonstrate the qualities of vinyl replay? Let's say they're quite young, they have only known digital sources from CD to MP3 and they feel you're a bit quaint for still having a love for this ancient, obsolete technology. How would you make them go "Wow!"
Nice choice LHC, actually that's on my radar of LPs to buy but I've yet to pick up a copy.
'Boss Drum'. Shamen.
My offering is slightly tenuous, as I don't own it.
Back when I was into vinyl, probably around the early 80s, it was possible to pay around 3 times what an album cost, to get one directly mastered from the original master tape (I think). They had far superior sound quality, without a click or pop to be heard....and probably on heavier vinyl.
A good friend of mine decided to invest in one (I think it was on offer from a hifi mag).....and it was a show off one, with a huge steam engine starting off on one side; and a dramatic lightening storm on the other....anyone remember these - they may even still be available.
Anyway, he almost certainly still has it.....so that is my nomination.
Edit. I think I have the answer - a company called MoFi, started by Brad Miller. In case you are interested, here are a couple of links:
http://www.theaudiobeat.com/blog/mobile_fidelity.htm
DJ Format - Black Cloud (Nostalgia 77 Remix). Absolutely lovely plucked double bass, great breakbeat, some brass thrown in for good measure. Easily sounds better on vinyl than digital.
I'm currently listening to it and it's always played to demonstrate vinyl's qualities to both curious friends and digital champions.
Highway 61 Revisited - Bob Dylan.
Lesser known but markedly better on vinyl are Soft Bombs by The Chills, Shiny Beast by Beefheart and The Yellow Princess by John Fahey.
I would go for one of my all time favourites.... Celebration by Simple Minds.
I could offer a listen to my CD of same and THEN let them hear the difference on LP.
The LP is far more open sounded and louder though more clear. I've no odea as to why it is that the LP is so much better than the CD version, I'd have thought that the CD would and should have sounded just as good as my old album but it doesn't ... strange ?
Nice choice LHC, actually that's on my radar of LPs to buy but I've yet to pick up a copy.
Order one today MajorFubar you will not be at all disappointed.
Apart from the rather timeless nature to his tracks this LP has to be one of, if not the best, recorded album in my collection. 
I might also apply Joe Bonamassa 'Driving towrds the Daylight' and Beth Hart's '37 days'
Cat Stevens "Tea for the Tillerman" (Analogue Productions) or their Nat King Cole/Billie Holiday works of art.
Something they are very familiar with.
I remember being very familiar with Tears For Fears' Sowing The Seeds Of Love album on CD, and picked up a vinyl copy from a market stall. Playing this was almost like lsitening to a completely different album. Just playing stuff that sounds good will make them think you're just playing stuff that sounds good.

Dunno about the young but for anyone else I'd play Nat King Cole's Love is The Thing, the latest Analogue Productions remaster, which just sounds incredible.
Ditto
Yello - Touch if this does not sound stunning you need a new hifi

Dunno about the young but for anyone else I'd play Nat King Cole's Love is The Thing, the latest Analogue Productions remaster, which just sounds incredible.
No signature worth mentioning...