In my case, I turned in all my stuff for the NSU application on September 12th and was emailed an invite for scheduling an interview the following week. The school never does send you an email stating "THAT YOUR FILE IS COMPLETE" like the other universities b/c I never got one, but maybe it was just me.
The good thing is that the school is really prompt about letting you know that you are accepted. Having talked with others who interviewed with me on that day, it seems like almost everybody who interviewed got in. I interviewed on 10/25 and heard back on with a phone call on Nov 7th.
Just keep those fingers crossed.
However, I think that you can expect the turn around times for interview notifications to be much slower until the December 14 deadline passes b/c a lot of the schools are waiting to see how many people accept or decline their offers.
Be wary though b/c if you do have any potential holes (e.g. low grades or lack of ECs) in your application, they will ask you to explain them during the interview. Certain students from my interview group said they felt like they were interrogated and probed about their application during the interview while others said it was the most stress-free interview that they had. Just prepare for the best and worst when going there.