I want to hit the ball higher....

Loft:

At least 2 degrees greater in the woods and irons or 1
to 1.5 degrees greater in the wedges.

Clubhead design:

Center of Gravity at least 3-4 mm lower and 4-5 mm
farther back from face in the woods and at least 2-3 mm
lower and 2-3 mm farther back from the face in the irons.

Weight distribution:

Greater sole width, longer sole, tall toe height in middle
and short irons (pulls CG back, but won't in long irons).

Shaft flex:

More flexible, RSSR at least 10mph lower than swing
speed of the player.

Shaft bend point:  

Lower

Hosel offset:

At least 4-5mm greater in the irons and 20mm greater in
the woods.

Vertical roll:

At least 4-6 inches less (straighter face)