Good suggestion, but we have the same in vault 15, and no one go there..
Cause it's far away from Hub (it's a starting city now) and LOTS of PK's there.
And I don't think there are any chests like I suggested.
.
It's better to hold newbies hands for a while and have slightly higher chance they will stay, than just do nothing.
There is some lockers in V15. No PK's, and no newbie are going in v 15, and its near ncr..
I didn't even know about Vault 15 and I've been playing for months. Could always put a teleporter from Hub to Vault 15 and make it a level 1-15 zone only.