I like comparing games with friends, but I think that its pointless to grind to get a lot of points.
I'd take Achievements over Trophies anyday. They made the trophy thing too confusing.
I like to complete my games, but achievements do not complete games... and I hate to play a game just to get points. It's probably the worst $60 I've ever spent. I feel that achievements makes video gamers ugly, because everyone is trying to be better than somebody else. It takes the community out of Xbox.