I have a 97 S10, Im pulling a small 5x8 trailer with about 1200 pounds on it. (walkbehind and tools) Its sags just enough to annoy me, and I dont really need anything bigger, I like getting 20+ MPG. I would like to add some kind of suspension in the rear, but im not sure what to go with. Would you go with (A) Timbrens (B) Add-a-leafs or (C) actually just add a leaf to the stack? I really dont want to spend more than 200 dollars, any opinions would be great! Thanks!