I get irritated when I can't copy and paste things into google and actually have to pull open the drawer on my desk and manually type things like this on the keyboard. I don't know if this is a first world problem or just laziness.
I've had a Bakflip hard tri fold for about 5 years without problems, it's easy to remove and keeps the water out latches on the inside so with a tailgate lock it would be very secure.
I've shot both the Desert eagle 50ae and S&W 500 but about 3 years have passed and from what I remember both are insane but in my opinion the 500 seamed to have just a little more kick.