I'm glad to see this review come out of the game. I was extremely leery of the title for the same reasons discussed in the opening paragraph. I'd like to say that this review assuaged my worry, but as it so happens a friend of mine with lower standards for games already did that.
He bought it the day it came out and I played through it with him, trading control when we got frustrated (playing on the hardest difficulty available at the start of the game). It's a fun game and the review gets it absolutely right. It's challenging in the right way and the information given through Virgil is absolutely magnificent.
I think they handled giving a dork like me the authentic poetry that I wanted and the action junkie what he wanted pretty well. In the very first level you KILL DEATH. I don't know what more you can ask for. It reminds me a lot of the Penny Arcade comic [http://www.penny-arcade.com/comic/2007/3/19/] discussing God of War II (as if the game didn't have enough of those comparisons sitting around anyway).
You could ignore Virgil if you wanted, though listening to him gave you relics (which was enough for me to be able to convince my friend to listen so I could hear what he had to say). The souls that you purified were all people from the original poem and had their backstories included, though you could just jump straight to scything them or playing the minigame (something I had to yell at my friend not to do occasionally, "Do you even know who you just absolved?")
All in all a welcome surprise, and hopefully one that will be shared by people thanks to positive reviews like this. My one complaint is thus: The cross is useless against Lucifer. So... if you leveled holy and ignored the scythe, you basically cannot beat him on Hard. We downleveled to an easier difficulty to see the ending. I understand making him difficult, but making him SO MUCH more difficult for one talent spec seems a bad choice.