User blog comment:Drkdragonz66/Modern Warfare 3 interview: Robert Bowling talks about Spec Ops Survival/@comment-72.91.230.18-20110812210513/@comment-24.68.216.255-20110816183616

Well, I think it will be more fun than combat training because of purchasable weapons, etc. And the fact that you're playing to survive. But you can't really list things like the new/modern weapons/killstreaks, etc. IMO as reasons that make survival better than combat training because those were added/changed because the setting of the game is different from the setting in Black Ops. If you think these things make it better, then that's just what you like. But I wouldn't say these aspects make it inherently better than combat training, only different.