In reply to Serena Lambre:
One civilised alternative is
http://www.garedesglaciers.com this is the old Midi cable car station from 1924, converted and owned by Rene Robert, top Chamonix photographer. Email Rene about the Studio, and he will give you a decent price. It's in Les Pelerins, Bus stop outside, and all the local climbing info you could possibly need (his grandfather was Frendo, yes, THAT Frendo!).