gtpaul said:
can you restore the wetsanded surface with a compound and a PC? or do you NEED a rotary?
Depends on the grit you used to wetsand, the paint, and what products you have for use with the PC.
Scratches from Meguia'rs Unigrit 3000 paper come out pretty easily, even by hand, using 3M PI-III RC (05933). That RC is getting hard to find but the idea is that yeah, you can remove those scratches easily enough. Usually the scratches from the Meguiar's 2000 grit sanding *block* will come out OK too, they just take more time/effort. BTW, this was on hard Spied Hecker clear.
But other companies' papers can be surprisingly hard to deal with, even in fine grits. No way would I want to remove the scratches from 3M 2000 grit paper without a rotary and I've done it before (so yeah, it's possible but I'd go with the Meg's stuff).
Get the Unigrit stuff, it really is easier to correct.
I've never got around to trying my ultra-fine foam backed pads, but they oughta work OK. But generally, I can't see much reason to go with anything except the Meguiar's 2000 block (finest they make) and the Unigrit 3000 paper. Those two will do most anything.