Reloading .303 British : Lee Collet Die Sets - Any good?

I use them all the time never had a problem with them, been reloading for 15+ years, like you say set them up correctly then good to go. I tested my set ups on some scrap brass first just to check before using the usable stuff. I have a RCBS neck sizing die but not had need to use it yet.

If your just starting to reload then it my pay you to get RCBS in the first place.