I've had the LUX on my truck for a year and a half and would recommended it.
It is very easy to install and remove but you do need 2 people since it's more big and awkward than heavy. I chose this cover cause it was priced better and easy to remove vs my last tonneau which was a Leer on my old truck
It is waterproof but if conditions are really dusty some will get into the box. My only complaint is that it is rubbing on my paint on one corner but I know that is from taking my truck off-road and having it bounce around a bit. Still wish it wasn't the case, and where it is rubbing is hidden under the cover so don't notice it unless the cover is up. Would drive some people crazy but doesn't bug me too bad.
Another thing I like about this cover is that the shocks disconnect in seconds so if you have cargo that won't fit with the tonneau closed, you can disconnect the shocks and just have the tonneau rest on top of the cargo. Easier than removing it altogether. Not recommend for long or rough road trips, but can be done for in town or whatever
Over I am happy with it and would get it again