But there is more it can do right out of the box and having optical media is a big plus.
I don't dispute that, but that is not what you said. Clarity is important here.
The PS3 offers much more value for money when compared to the AppleTV.
That's really a gross generalization. It really depends on the users needs. I have no need for blu-ray or video games, so why would I spend money on a PS3?