From: Murderous Missouri Scum
You mean "Crusader Kings"?
I was confused with the thread title, initially.
It's a great game in that the strategy focuses more on your dynasty, though there is still the usual warfare. In this sense, it feels like it has role-playing elements as you're not just some infallible entity ruling a nation alone, but playing the part of the ruler himself.
So, yes, it's a good (and somewhat innovative) strategy game.
I imagine they're selling the CK-Deus Ex bundle for practically nothing because they are working on the sequel, and the pricing is sure to drum up more fans for the sequel, who had never played it.
Note that you can run it in modern widescreen resolution with a simple text edit, IIRC, so your eyes will not be crossed and squinting. Get the Deus Ex expansion with it as the interface is a bit short on extra features and, as I understand it, the expansion helped with that a bit.