First thing, I have all Western Chassis components. In front I have 2.5" spindles and 1.5" coils. Out back I have a 5" flip kit and shackles in the lower hole. I also have a C notch and shock extenders.
To me a 4/6 drop is perfect for a daily driver.
I bought all my stuff at
http://www.performancesuspension.com/