I'd personally like the benefit of an extra day, so my vote goes to 3 days. I don't think there's a crazy rush to get through the seasons. It will be so much more rewarding going through the ups and downs of a longer season than flying through them.
Plus, unlike FlyingDonutz, I'm sure a lot of us don't have the luxury of getting through 5 games in 2 days especially with other NHL 13 business like setting up strategies, scouting, trades, free agency, etc. Not to mention the many other game modes that will be played!
That being said, I could probably do 2 days, but my preference is 3. Getting through 7 weeks of the schedule in the span of 10 real time days is pretty fast.
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