OK, I've got another (I think):
Notting Hill.
I
am sure that it's a "pleasure", but I'm not sure if it's a "guilty" one or not. At first glance, it's all chick-movie. A love story with High Grant?
But taking it further, what guy has not had the fantasy to be with a beautiful movie star? And, like Buffy, I have to say that the character development is first-rate. I love the whole scene at his sister's for dinner. So, despite the obligatory "walking through the city with the sad music bed after being rejected scene", I think the movie is a pleasure. Excellent soundtrack, too, and good location scenes.
Guilty? I dunno... maybe if someone else admitted to liking it I'd feel less guilty!