In reply to betathief:
Hello,
In general you definitely want skis for approaching most things right now, certainly for all of the routes you've listed there. The Milieu on the Argentiere is in great condition at the moment, I know a guy who summited with his two dogs a couple of days ago after a 2800m climb from the carpark. The Mallory was climbed very recently, I don't know what the conditions for climbing it are like right now but after a couple more storms people are most likely going to be skiing it. Alex Pittin and Tony Lamiche skied it a couple of weeks ago and encountered (and released...) a few sections of fairly serious windslab. Now, it's one thing to find a bit of slab yourself when climbing up, it's another thing altogether to have someone else drop a few tons of it on your head from above...
About two weeks ago a friend of mine skied the Fleche Rousse from where the snow slopes end and the real climbing begins, so if you time it for good spring snow then your approach should be pretty easy, but keep in mind that we've got well over 50cm of snow arriving over the next week, so the harder rock higher up might be a little bit buried. Then again the winds might strip it completely bare again, as a lot of rock at that altitude and aspect currently is.
I skied the Chevalier a week ago from just below the col, having never seen it before in such fat conditions in a decade here, but then the bise wind stripped it bare and the top 2/5s are rocky again. I really cannot recommend the Chevalier as a climbing route these days, as you will more than likely get people dropping in on skis from above. If you really want to climb an easy snow gully on the Grands Montets ridge, you'd be better off walking another fifty metres further on and climbing the Gigord Couloir instead, or at least until the rocky step near the top. This does, unfortunately, require a downclimb, rappel, or ski descent back down the couloir, instead of an easy stroll down the front face of the Petite Verte. But at least you won't be drowning in skier-released sluff, because everyone gets in and out of this couloir the same way.
EDIT - just to add, if you really, really want to climb the Chevalier, stick to climber's right of the couloir (so, skier's left...) until you are underneath the big tower of rock just below the col. This side gets a fair bit of morning sun so the snow is generally more transformed, making it a bit better for climbing and a bit worse for skiing, which should help to alleviate any traffic problems. When you are just below the big rock tower to looker's right of the col, you'll be close enough to communicate with any skiers who might be waiting to drop in, and you'll be able to discuss who is going to go where.
I can't comment on the Miages or Tondu, wrong end of the valley for me I'm afraid.
Valley crags... Servoz is dry, much of Gaillands is dry and I saw a team of three climbing there just three days ago, but a significant portion of the crag is currently buried by a 20m high cone of avalanche debris, and there is still something of a warning for potential avalanches to occur in that area. Stay well away on a hot, sunny day.
Post edited at 22:51