I've only played for a few hours but so far I'm hugely impressed. The story's fantastically focused, the ideas are interesting, the new enemies are great additions, Minerva's Den itself is a great location, and I'm ruddy chuffed to have a laser gun. If it continues like this, I'll be quite glad to have paid over £20 ($30+) simply to have played it. I really am part of the problem. I'm sorry, everyone. So sorry. Really sorry. Sorry. But not really.
I have to agree with the opinion of Shacknews reader 'Chris Faylor'--clearly a pseudonym--that more bite-sized chunks of Rapture would be a wonderful thing. It's such a rich setting that we've barely explored and Minerva's Den is showing that small servings are just as delicious as a hearty full meal--perhaps even more so.