If you mean just crossing the Pyrenees, then you can HTFU with your current ratios, I'd go for the wider range if you intend to cross the Pyrenees several time.
They're shimano 105 hubs. I think you're right about going for cheap and cheerful.
I still want a bit more than 28t though. Other than a bit of pootling about I won't have cycled for a year and I'm trying to bosh it out quickly (I know, I know, you should take your time).
If you mean just crossing the Pyrenees, then you can HTFU with your current ratios, I'd go for the wider range if you intend to cross the Pyrenees several time.