The G10 is engineered with a sloped crown to create a high-launching ball flight. Easy to hit straight, not so easy to curve
Great replacement range: options from the 1-iron through 6-iron include a 15 degree that can replace your three wood all the way to a 32 degree that replaces of your 6-iron
The variable face thickness puts the weight where you need it for higher ball velocity and consistent response across the hitting area. Thin plus strong = good
Ping was one of the first major companies to stress the importance of being properly fitted for your clubs. And they have one of the best websites where you can plug in some personal data and receive feedback as to what your specs should be. It's worth a visit.
