You won't need to buy the multiplayer packs. The first one sucked, I think I've seen like 4 or 5 people, total, who actually like those maps. The second one comes out at the end of this month and will probably suck ass too.
What do I look like, Mr Frank-****-For-Free? No Doe, Hoe? You can't **** with me Thizz iz what it iz --GT-Spidux