The (libertarian, but not Randian) philosopher Michael Huemer has an essay entitled "Why I'm not an objectivist." It's not perfect, but at least the discussion of Rand's claim that respect for the libertarian rights of others follows from total egoism is good.
2FiftyTwo
Genuine question: What do you find appealing about it? I've always found the writing impenetrable and the philosophy unappealing.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.