Did Colorado, Dallas and Minnesota Actually Get Better This Summer?

Three of the West's most aggressive organizations made moves this offseason, but the real question is whether they improved enough to matter in a conference that's getting tighter by the day. The Avalanche, Stars, and Wild all had different approaches to upgrading their rosters, and the answer to whether it worked won't come until November. This is the kind of analysis that separates the GMs who understand their league from the ones who just hope for the best.