gotta agree with everyone here. there have been tons of threads discussing this exact mod, so follow their advice.
me? i have eibach pro-kits and tokico illuminas on my mx-6. they do the job alright for daily driving and give the car a decent stance with the stock wheels or even 16's & 17's.
on my probe gt, i have a set of tein super street dampers. those might be a little overkill for you if you're loooking for something quick and relatively cheap.