It's a statement, not a promise. The third blurb is best. A question is always better than a superfluous exclamation point, by the way. A real promise creates real suspense, and a real blurb promises a real reward. It's overused, yes, but for a reason.
Nothing catches the roving eye quicker than a word that promises a direct benefit.
Basically, any term that describes the you that appears in your daydreams is a marketing keyword. Learn from them. The more prominent these terms are within your tease, the better your chances. Save on every purchase you make with Buyer's Advantage. It's a great deal for you.