matt- for your polishing needs (if off the shelf) try some megiar's ScratchX and a foam pad. it takes some elbow grease to remove swirls but it is an effective polish.
those waxes with abrasives are great for dd...but those i wouldn't use more than twice a year. the abrasives are pretty course vs ScratchX.
for your wax as your dry product, i suppose any spray wax would work, but for me
i use Prima Hydro. it is by far the best and durability is about your NXT. it is a polymer based spray.
read more about it at
www.detailersparadise.com i buy in gallons.