Exactly. Low and stiff will make it handle worse if it is bumpy or wet.
To make your car handle all you really need is a set of slightly lower stiffer front springs, heavy duty shocks all round, and stiffen up your swaybars with urethane link and D bushes. Fit a set of semi-metallic pads to the front, and spend up on a set of decent 185/60x14 performance tyres (yoky c-drives or eqiv), which you could throw on a set of celica/tarago 14x5.5" steelies.
Most guys tend to get carried away with themselves going for the LOOK, and changing shit just for the sake of it because it sounds cool.