Dixie Nat'l Forest - Navajo or Panguitch Lake?

[Teja]

We're returning to Bryce & Red Canyons in our PleasureWay RV, from So.CA. As usual, we'll take highway 15 up from Vegas to Cedar City, and then cut across the Dixie Nat'l Forest towards Bryce.
We want to camp for a couple days in the Dixie, either by taking Rte 14 and exiting to Navajo Lake, or taking Rte 143 which passes Panguitch Lake and White Bridge Campground.
We haven't camped at either and only have time for one, so wondering if anyone here has been to both and can advise one over the other, pros & cons of each, etc. Thanks in advance!