The 4", you can get about anything, I recommend taking a listen to the Infinity Kappa's, or the Reference for a budget-minded individual. On the tweeter, I'd just unhook it, as most 4"ers will have a tweeter built in. Alipne also makes a type-S and a type-X, why they dont make the type-R's (the middle line), is beyond me.
-There are 10 kinds of people. Those who understand binary, and those who do not.
-If we ever forget that we are One Nation Under God, then we will be a nation gone under...Ronald Reagan