Pine Barrens is worth the visit, didn't get around Rolling Oaks.
I found little of interest at The Dunes at Seville, especially after the hype it got in Driving the Green, which was the impetus for the visit. Routing is fine, but the architecture and detail work rank low. There's even one green site with a drain line poking out of the bunker face...which reflects the care taken in a nutshell. The most interesting parts of the property are outside the fairways and little was done to bring that character into the course, or it was bulldozed out. The property had the quality to be something different but...perhaps it's been redone.
With World Woods down the street, and the way the course is now, their best plan of action would be to go back, bring in a small dozer, excavator, tractor, dumper, sand pro and a crew of hand workers and rid themselves of the mounds and redo the angular 80's style architecture (green sites) with greens and bunkering like Pinehurst No.2...not likely to happen, but that's what I'd do...then you'd have a version of Pine Valley, Augusta and Pinehurst within minutes of each other.
Would be interested in hearing your take after a tour.