Probably depends on the size of your boat. I fish out of an aluminum Crestliner and don't have any problem with Armstrong ramp even when the water is super low. In my opinion Holly Circle ramp was poured at too shallow of a slope. I have to back my truck into the water almost to the rear axles just to get my boat off the trailer. Possum Creek - Don't know - I'm too much of a tight wad to pay to use it so I can't say,
Jim