In reply to 83earl:
Over the years I've used them all, though my brand of choice since the 70's has mainly been ME.
I can remember taking various down jackets - Annapurna, Cerro Torre, Snowline - back to the old factory in Glossop when Pete Huchinson still ran it, to have them altered/repaired by his wonderful team of ladies. In fact my Redline jacket is still going strong and regularly used, having been superbly made in March 1981 by Betty, who's name, signature and date is still visable (although somewhat faded) in hand written ink on the label.
However this winter in the alps, I've also been using some Arc'teryx gear, and it is excellent kit.
But as someone else mentioned, modern gear is so well designed and made these days, that unless you're really pushing it out in extremis, any of it is going to be more than adequate and probably over engineered for most people.
Performance wise, there's not much difference, and it probably comes down to what fits and feels most comfortable.
I'm a bit of a gear horder, and I've still got stuff dating back to the early 70's - including the kit for my first alpine season in 74', which most folk today probably wouldn't risk on a walk up Snowdon on August Bank Holiday, yet at the time, was cutting edge stuff
Post edited at 23:41