I've not been out there yet but have been planning to for a long while now. Just can't find the time.
Looks like a really cool place, you can do the Courchevel altiport permission thing with the instructors. I think it's only about 5hrs training. You might as well do it then you could fly out there some time. I'm pretty sure that the 5hrs only gives you permission to land at Courchevel. Robert Christien (not sure if it's spelt right) but that's who I was intouch with. Seems a reasonable chappy..
pm me if you want his number or just google 'aeroclub courchevel'