There is a "randomize team rosters" option that should deal with the issue of parity if people are concerned with that.
Also, while the entry draft is automated, you do have the ability to set your draft rankings in advance, so you'd still be drafting the "new" players that you want in theory, just not in real time.
For anyone who hasn't seen it yet, an overview of GM Connected here:http://www.easports.com/nhl/news/articl ... d-revealed
The games are played according to the 2012-2013 regular season. More details of how that works here:http://forum.ea.com/eaforum/posts/list/8849625.page