Genesis is a great start for learning the essentials in how to truly handle a deck of cards like a pro.
Pressure, a beginner can learn. But to really really sell the effect, you need more than a beginners presentation skills.
I am of the belief that there is no such thing as an EASY trick. because the easier they are, sometimes the more advanced presentation you need. and vice versa. There's no chocolate covered path in magic. Get some of the recommended books.
You don't have to go to Theory11 alone for your magic buying needs. Be smart about where you begin. Get some books. Houchin's Art Of Magic is a good beginner buy. You get a lot of advice on beginning magic, and more. Plus there's some great tricks in there to use that aren't "too" difficult. E, like Draven said, has some good sources for starting out. I'm not downing Theory's material. It's some of the best I've seen to date. but it deserves the initial beginning education in magic to do it justice. You could get some 1-on-1's if you wish. look around, there's some fun stuff there to get you started. Just some ideas, not a firm presentation of where to start.
also, there's a book list a few threads up. stickied. begin buying them all.