I don't think you'll get far asking for ideas. Someone is going to list an idea and then people who are more casual will swarm in bashing the idea and then people who are more hardcore will swarm in bashing the people doing the original bashing because hardcore is more important than casual. lol, make sense? A call to senses never works. Ever.
They just have to decide what kind of player base they want. The ones that can only play 30 minutes per day, the ones that play 2 hours per day, the ones that play 6+ hours per day, or a mixture of all three.
Due to time constraints I'm able to play around 2 hours per day, but on weekends I can play for extended periods of time. I'd like content where I can do stuff in a 2 hour period and pick up where I left off the next day, but at the same time have somethings where I can really put effort into on the weekends.
I'm sure SE will figure it out so that we can get a mixture of both demands. I'm even more sure that they are aware of what the players want. They
do read these threads...