This game rules! I got it last week and beat it last night after ~20 or so hours of gameplay. Amazing depth of the universe and style. I really think it gives FO3 a run for it's money in terms of enjoyment. My only complaint is turn based combat. During the Boneyard mission where you free the settlers from the Regulators is just obnoxious. Also, there are some crazy rainbow pixels/ graphics that happen because the game is old. I've read how to fix it, but I'm pretty lacking in computer skills.
It's $10 on Steam or you can buy 1,2, and Tactics from Amazon for $10
I bought FO3 for 7.99$