: I'm down to 100 gritt on my semi final hull hand sand and can still see some
: orbital sander swirls , will these show through the glass or must I get
: every one out ??

If they show up dry they will show more when wet out. I found a few after wetting out that were not even visible when dry. If you are even slightly perfectionistic, get them out b/c you will see them everytime you look at the boat (even though others will never notice).

I agree with those encouraging you to go with the ROS. They are worth the money. And like most things in life, you get what you pay for. So get a good one.

Good luck...