Absolutely agreed with O.D. in his warning about the build quality. If nothing, for esthetic purposes
However, a small correction -- we (RV-7 builders) still have to drill [to final size], dimple and countersink... What Van's has done for us is they pre-punched holes, so you don't have to figure out where the holes need to go (and they line up perfectly). Made it much easier and, for me, possible to do.
Building an RV is tons of fun.. if you have time, space, and resources... go for it.