Hrm, I seem to have neglected to write a review of About a Boy. Too late now; by now I'm not even sure when I saw it. Suffice it to say, I liked that one too; particularly surprising given that I tend to be rather un-fond of humor-of-embarrassment. I liked Two Weeks Notice more, though.
Btw, the IMDB points out that the website Hugh Grant's character mentions in passing in About a Boy, supermodelswithseethroughtops.com, is a real site that doesn't have quite the kind of photo you might expect. For one thing, it's entirely work-safe.