I will send you the guide in a few minutes. Enjoy it! It helped me a lot when I learned the game.
As for SP vs MP, it really depends on what you want to do. Playing with other people and joining clans is a lot of fun, but the storyline is great too.
I would reccomend playing the storyline through once before you play extensively online. That way, you can have more experience when you face other people. When you are ready to give MP a serious try, go to the Clans Forum to look at some of the avaliable clans. It definatly makes MP more fun!
Again, enjoy the game and the guide!
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Some questions I have...
If you throw a cat out a car window does it become kitty liter?
If it's tourist season, why can't we shoot them?
Why did kamikaze pilots wear helmets?
Why do people who know the least know it the loudest?