I want to replace my patio sliding glass door. I can't decide if I want to go with aluminum, aluminum clad, vinyl, or fiberglass. I want a frame that is strong enough to not be opened by prying with a screwdriver or other tool. I also want a energy efficient door. I will be going with Low E, argon gas filled. I don't think there are any aluminum frames which are energy star compliant.I have looked at Pella fiberglass and aluminum clad. And, I have looked at the American Standard doors from Home Depot. Any advice would be appreciated.