It doesn't come with any of the DLC, but:
1) you don't *need* any of the character/weapon/mask DLC to have a great time
2) all the heist DLC is shared - so if you join my game and I have a DLC heist, you can play it even if you don't have the DLC
Crossposted from Dreamwidth. Original at http://theweaselking.dreamwidth.org/4803080.html, there are comments there.