Tonneau cover choices

[Bill and Earline]

I've searched the forum and read the few mentions of tonneau covers, but need to pick something soon. I'm leaning toward the hard, folding style like Fold-a-cover or Bakflip. I just wanted to get thoughts on weight, durability, watertightness, easy access, and perceived security. Also want to keep full use of the front of the bed and easy removal when needed.

Thanks, Bill