Expedition Trailer Search

Just scored a sweet LX I am flying out of state to pick up. Now thinking about summer plans and would really like to get off the beaten path. Parks are really getting full these days with the economy picking up speed. I have a family of three and have several criteria, needs permeant beds for the wife and I, bed for my growing 8 year old, AC, toilet and shower. Doesn't have to be oversized as we spend more time outside than in. My budget is under $10k - thoughts about trailers, pop ups, etc. My plan wouldn't be to take the trailer off more than a service road/light off roading.
I think I am leaning on something hard walled and flipping the leaf springs/replacing shocks and calling it good. Just not too thrilled with a pop up as I am planning on camping in bear country too.