98 mustang springs/shocks

I have a 1998 Mustang v6 3.8l.

I bought the car with Eibach sportlines on it that lowers the car 2".

When I bought the car, It also had 18" rims on it with 225/40 tires.

Not sure on the shocks/struts. Look kinda OEM, but the car has 135K on it, so I would hope not. They seem to pass the bounce test just fine and I don't see any oil leaking, but during hard breaking the car does nose dive a bit.

The ride in my mustang is very uncomfortable =(

1) I'm thinking I want to replace my sportlines with other springs that will only drop the car between .75-1.25" instead of 2". Do you guys have any recommendations? Although I love good handling, I'm going to have to lean my preference to springs that will be more comfortable over good handling.

2) I want to replace the shocks/struts also. I was thinking Topico blues, but do you guys have any better recommendation for something more comfortable or cheaper?

3) Do you think spings/shocks are my biggest issue, or do you think that most of the crappy ride quality is from the 225/40/18 tires?
I'm thinking about trading my chrome rims for some 16" rims.

Thanks for the help, guys.

I wanted to do the springs too because i end up slamming my car half the time on any big speed bumps, which my school happens to be filled with.

Uncomfortable as in every small dip and rock in the road feels like your driving off a curb.(okay, maybe a little bit of exaggeration...but you get the point.)

How do I know what shocks/struts to get for different drops? :o

thanks for the help =)