I use the 600s(grey/red) from MFT for final wipe and QDs etc. I use the 700s for waterless washes. The green 600s are back in stock so I ordered a bunch of those to use for rinseless washes using gary dean method.
Yep, they are both excellent towels. I actually like the 530 as probably one of the most durable all purpose towels out there. Great for everything from metal polishing to compound removal, even rinseless washing. (Not so much for drying though) Then again, I dry with a blower and have very little actual water left and they'll take care of that too.
Don't be fooled into thinking that buying the best towel known to man will work on the final wipe if that process is approached like a mad man. That's the point of my post, not only for the original poster, but to others reading into the future.
Along that line of thinking....
I recently was talking with a guy that promotes fairly expensive services, from a minimum $500+ for an AIO exterior touch up (
no interior included) to a sky is the limit $1250 (
2-stage) exterior job. He ONLY uses the cheapest OTC (white and blue) microfibers he can find, once and done, throws them out. I mean Wally World, $5.00 for 8 in a bundle.

Hey don't get me wrong, I totally agree with throwing them out and not letting them touch paint again, but... I'd never have put them on paint to BEGIN with.
In all honesty, the yellow Costco Eurows are better, and the gold Costco Kirklands are a WORLD better... AND...
they are cheaper! :xyxthumbs:
None of course are in the same league as MFT's but surely better than the Wally World ones. Come to think of it, the gold Kirklands would be darned close to the 360's if only they were silk edged, (and at 60% of the cost).