i used to run the TL's with the w-mod and Craig's description is right on.
not sure about the refelctions at the gorge, i remember it sounding damn good when i was there a few years ago. but then again i was REALLY close to the stage. but if you are going to be taping htere more than once i'd try going split omnis at least. who knows....you just might be drooling when you listen to your tapes later