Just wanted to resurrect this thread and throw in my 2 cents. I'm not the paint guru that some of you guys are around here, but I wanted to give a side-by-side comparison of two homes. For nail holes, my painter used Crawford's painters putty on the first and then "Fast n Final" on the second.
He said he'd been wanting to try Crawfords because he'd seen a lot of guys buying it and everyone claimed it to be non-sanding. "Just strike it off with your knife and move on."
I'll make a long story short here. His preference was obvious after the first coat of trim paint went on. I think he was hoping that I would say it was ok, but it clearly wasn't. I've never seen so many dimples showing through paint before. That might fly for some tract homes, or some subsidized apartments, but not for customs.
While he was filling holes he was loving the Crawfords. Said it was much faster, and not having to cleanup dust after sanding would save him a bunch of time too. Well, that went out the window when he was going back and sanding the semi-gloss trim paint and refilling the dimples with spackle, then of course still having to sand the spackle and re-clean before spraying again.
Needless to say, he tossed the rest of his Crawfords in the dumpster, and said he'll never use it again. Both homes came out in the end according to my specs, but the Crawfords created a ton of work for him. There's no way I would call a job done with all those dimples. When he uses Fast n' Final, perfectly smooth every time.
P.S. Just walked through a parade home next door as the cabinet maker was showin off his handiwork. Obviously, paint was supposed to have been finished and they were installing cabs, lights, and hardwood. While talking to him, I looked over at a room with dark brown trim. It looked like every nail hole had been sanded and refilled with spackle. Turns out the painter was in the master bath, doing the same in there. I asked what he used for filler. CRAWFORDS!! GC was making him refill all the holes and re-spray before paying him. Poor bugger looked pissed.