I am in need of some advice on my 99' Avenger.

I believe I am having a problem with either my brakes or possibly the suspension.

When I put the brakes on in my car, it feels like a rocking motion, like if you were slamming the breaks on even when your not..

some things I have tried to fix the problem are:
-Rotating Rotars, turning rotars, replacing rotars.
-New break pads, new shoes.
-And recently put in new wheel bearings.

However, I am still having the same problem, only its getting worse.

If anyone has any ideas on this, please shoot the ideas my way....

Thanks in advance.

Have you had the recall done on the front end ???If not hsave that done FIRST ....

Next check the axle/CV joint

I am looking in the ABS now, the rotors were put on by a torque wrench, I put them on. they are torqued correctly so, IU highly doubt that's the problem.

if you have done all that it is a good chance the suspention is the guilty party ... do you drive fast down bumpy roads or otherwise aggressively.  Mine does the same thing though to a lesser degree and the struts are done.  When you break, the weight of the car shifts forward and if the front struts are done in then they will flex right down with the weight.  Likewise on the rear during accelleration.