Olympic Elite stain . . . can anyone offer a review?

Elite does not need a polyurethane topcoat, and I believe that Cabot (a better product IMO) has one as well. From all my years in the paint business, I have told customers that using a clear coat in an exterior application is likely going to be a headache, because it then becomes a maintenance issue.
Clears are broken down so quickly when used exterior, UV kills them. Even spars. That's why stained / varnished exterior doors look like crap in a few years time. Expect recoating a clear every 18 months or so.
That said, the more you can keep these coatings from UV exposure (i.e. under a porch, etc.) the better they will perform. Just my .02

Edit...DO NOT use Minwax stain for exterior applications; their Helmsman spar is a pretty decent product, however it has a limited lifespan as well.