In reply to purplemonkeyelephant:
I've done a route up there called Gypaete Airlines and while I realise it's harder than the grade you mention I'd have to say that it wasn't at all sustained and would have been easy enough to get off if necessary (though having said that I've no recollection of how we got down!) The other routes that ARE in your grade range are possibly similar ie not too sustained?
In the same area though slightly shorter and with an easier approach are the routes on the Pic de Jalouvre just the far side of the col de la Colombière. I've never done any of them but they are very popular and probably within your required grade.
A little further away are the slabs of le Sapey
http://www.escalade-74.com/falaises/escalade_sapey.htm I've only done Délite de Fuite
http://www.escalade-74.com/pages_photos/sapey5.htm http://www.escalade-74.com/pages_photos/sapey4.htm but I remember it as being very pleasant.
Post edited at 18:59