A lot of my friends have said so, and to be fair I haven't read more than a few paragraphs that they quoted or linked me to, but honestly, he's just... not for me I guess.
Martin Gardner wrote introductions for editions of several of Chesterton’s books, which is a nice bonus if you’re the kind of dork who likes a good introduction (guilty). They’re on some of the Dover thrift editions, I think, and probably some others.