Welcome to Superior Craft!
First off, thank you for taking time to read this.
In Superior Craft we have very mature staff, so no worrying about being treated unfairly by a 10 year old. :)
We have a faction world were there is PvP enabled and raiding and griefing allowed.
Mob arena world, which is obviously just for the mob arena.
Survival world which PvP is disabled, and griefing and raiding is not allowed. We have not made it to where every home or building created is protected, but if it is destroyed contact mainly higher ranking staff and we can find out who did it and rollback for you!
We are running on 6GB of ram too so lag should and hopefully is at minimal for all players!
Thank you for your time again!
- Superior Craft Team!