In reply to MJPeat:
I just got back yesterday following a week out there. Only spent 2 days up high and repeated the popular routes i've done before.
There is a huge amount of snow at the moment. The Midi ridge is fat and there are good tracks to the Triangle, Point Lachenal, Cosmiques, Tacul etc. Didn't see anyone heading down the valley to the rock/ice routes on the back of Point Lachenal/capucin etc on foot (lots out skiing though). We found that despite there being alot of snow, its generally well consolidated and safe.
Didn't see any tracks on the Frendo, or all the way to the Plan du Midi, but the Mallory Porter has been done.
There were teams on the rock routes of the south face of the Midi and also on the Eperon, but there were still small snow patches that looked easy to cross.
Routes on the Triangle were doable - plenty on the Chere Couloir for example.
For reference as to how much snow - the whole of the initial gully to the first ab point on the Cosmiques was just snow - no rock at all. The "crux" pitch of the diagonal crack was almost completely covered in snow, so a simple step up - but make no mistake a lot of the snow parts are very exposed and limited in protection at this time.
We did notice that the snow on the Aiguille Rouge did diminish over the week, but the routes there are still pretty inaccessible.
The conditions were pretty much as described by the Chamoniarde so use that as your goto.
Finally, the Panoramic lift from the Midi to Helbronner was open and i'd imagine some of the routes close to Helbronner will be in similar condition, but a longer walk from the station - possibly not doable in a day....