While I know nothing about Spray & Gloss,I have used a lot of Spray & Wipe with good results.
A few comments on parts of several posts.
Can i use this to wipe off the dust, dirt, and maybe water spots from driving over wet ground, or if it rains mid week?
I'd like to be able to wipe my wheels down since BMW pads dust like crazy.
Am I asking for trouble or should this be alright?
Spray & Wipe should work great for what you are wanting to do.
i used spray and wipe on my alpine white 335. It worked well, but is no where near as cost effective as a quick ONR wash
Quite true, but S&W is not prohibitively expensive per use. Probably around $1 to $1.50 per vehicle if you buy it by the gallon.
You can use it on anything with great results in between washes.
This I pretty much agree with, but I still feel I need to do the windows with a glass cleaner.
I searched a little more, and everyone says use a "Lot" of MF towels....
how many towels are we talking about for a wash?
@ Full - I have a gallon of ONR but havent used it as a rinseless, maybe I should look into that? Ive been using it as an additive for normal car washes
It depends on how dirty the vehicle is, but I use anywhere from two to four 16" x 24" MF towels for the body. If it is dirty enough that I would need more towels, I would probably do a pre-rinse at the DIY wash, then finish with the S&W. I also use a couple of old cotton terry towels for the wheels and tires. I can't bring myself to use my good MF towels for wheels, wheel wells or tires.

And yes, you definitely should try a rinseless wash.
Waterless and rinseless washes work fine for me, but they aren't necessarily for everyone. Once you develop a system, you will probably be happy with it, but some people never feel comfortable with them. Conventional hose and bucket washes are still going to be their choice.
It's kind of "Whatever works for you".