I don't mean to be bugging the crap of you veterans. I am just doing some thorough research before dropping some cash on a bag. Please comment on one or all of these:

Western Mountaineering Badger 15 degree, (850 fill, 2lbs 12 oz., $395)
Mont Bell U.L Super Stretch #1 long, 15 degree (800 fill, 2lb,5 oz,$370)
Mountain Hardware Phantom, 15 degree, (800 fill, 1lb 15 oz., $284)