Just to add that, if pitched with the tarp at 45" high, the inner hangs ~2 inches lower, but unless you have a pointed skull, you lose a couple of more inches of usable height with the Haven inner. I estimate usable height at around 40-41 inches unless you don't mind your head hitting the mesh.
Width is another difference between the DR and Haven. At it's widest and without bathtub flooring, the Haven is 58",(54" with bathtub floor) but this quickly tapers at both ends to 45". This means that one foot from the head end it is 53" wide, and one foot from the foot end it is 51" (again this includes bathtub floor height of two inches all around). Just something to keep in mind if, like us, you like to "top-and-tail".
