Most automobiles sold are designed to understeer as a safety consideration.
People in a panic situation for the most part will stab the breaks and hold on consequently, in a lockup situation the industry has determined the car plowing straight is the safest situation. ABS has changed the industry view on this but still they set up the cars to understeer; probably an insurability carryover.
RWD high performance and competition strive to neutral handling and slight oversteer. I prefer very slight oversteer as it suits me best braking to and accelerating from most apex. Off camber corners tend to be a bit more challenging with any oversteer however; at least from my experience.

And - best explained here: http://www.youtube.com/watch?v=zoICf55jED8

Sure, no problem.

Shocks are Koni Yellows all around
They are mounted with a Ground Control coilover kit.
Springs are lbs - front/rear = 700/550
in kg/mm that is 12.5/9.8

Front swaybar is a Tripoint with .120 wall bar
and Widefoot mounts.
(nice bar, but if your car is lowered you may have to shim
the mounts to keep the tie rods from hitting the bar)

Rear swaybar is stock

Replaceable bushings are LubeGroove delrin.
All new pillow balls.
All other bushings replaced with new mazdaspeed pieces.
( Only two of them IIRC - one in each of the lower control arms)

Improved Racing trailing arms to clear the tires.

Wheels are 18x10 +50 Forgestar all around.
18x10 +45 would have actually fit better in the rear, and would still clear the front.
I know they would fit in the front because I am using a 5mm spacer due to some interference with rotor hat bolts.

Tires are Hoosier A6 285/18/30 all around.

And, got my first FTD at the last event of the season. :)