It's tough having everyone agree on something, so let's open this up to the community to discuss!
Here's what I've compiled so far for a GM LLD ruleset. This is not set in stone, and we can make changes accordingly.
For the record, I meant to post it here first time hehe. Sorry for double thread!
General:
-Characters must be level 30
-No third party programs or modifications of any kind
-No use of Shrines/Wells/Health/Rejuv/Thawing/Antidote potions
-No use of Mercenaries
-Players must say "Go" before using offensive skills
-L8zing, kiting and hiding to replenish will not be tolerated
-Gear MUST be shown upon request
Item Limits:
-No use of ANY +Max Resist% gear (EXCEPTION: 10% FIRE & 5% POISON)
-No use of items that grant Slow Target
-Chance to Cast Slow Missiles on Peace runeword OK
-Max replenish life +40
-No prebuff from stash. Cube inside inventory OK.
-No use of skill charge items (EXCEPTION: Teleport Staff)
Amazon Only:
-No Farcast (Including legit)
-No Slow Missiles
Barbarian Only:
-No Namelock Whirlwind
-No use of Insight
Druid Only:
-No recasting Cyclone Armor
Necromancer Only:
-Max 2 Bone Walls per screen
-No recasting Bone Armor
-No Clay Golem
-No Bone Prison
-No Decrepify
Paladin Only:
-No Holy Freeze
-No Holy Bolt
-No Prayer
-No Meditation
-No Cleansing
Sorceress Only:
-No use of Bugged Manas
-No use of Insight with Energy Shield
-Max +15 replenish life with Energy Shield
-No Recasting ES