I've procured a sample of the Napoleon and the XO, which average prices seem to be around 45€ and 65€.
I must say I quite enjoyed the Napoleon: you can find some wood there (something I like to feel in my brandy), and there's a clear presence of white and maybe yellow fruit there, things like pears and apples... Actually more on a baked version of it, it reminds me a bit of my crumble pie with apples and pears, that might be why

Now for the XO, well, I enjoyed it a bit less and I would almost say that it has a somewhat different profile, like it is really a different brand or something. It is closer to what an "elegant cognac" looks like in my mind, it has less wood in it and is a lot more on flowers, mainly white flowers and rose petals, both on the nose and palate. The nose actually displays a bit more alcohol than the Napoleon. It's not bad, better than my experience with Bache Gabrielsen XO I must say, I'm just not sure this is what I expect from a cognac... If I want something that I could label a bit delicate and elegant, I'd rather go with a Delamain Pale&Dry I think.
On a side note: I suspect that the composition and ageing of their XO is quite different from those of their Napoleon, i.e. that the XO is not the Napoleon with more time in the barrel but was selected at the beginning to be aged in a different manner (and coming possibly from different cepages and so on...). I would almost say, as a clue, that the XO's colour is actually paler than the Napoleon but we all know this doesn't say much nowadays...
Anyway, my luck is: the Napoleon is now being discontinued since Hardy decided to eliminate it in favour of a "Organic VSOP":
http://blog.cognac-expert.com/hardy-cognac-tradition-collection/
Well, life is change

BSinkY if you have anything more to add about the Napoleon, feel free
