Look for yourself. While there are a bunch of model art based stuff, there are many gameplay updated mods such as this one that:
New Unique Items - Over 1500 new Unique
New Set Items - Over 70 new sets (more to come later)
New Cube Recipes - Over 300 new Formulas.
New and rebalanced Magic Prefixes (Talonsrage)
New and rebalanced Magic Suffixes (Talonsrage)
Added additional Skills to all Hirelings. Still in testing phase.
Rogue Fire : Inner Sight, Firearrow, Explosive Arrow, Immolation Arrow. Can now crit!
Rogue Ice : Inner Sight, Cold Arrow, Ice Arrow, Freezing Arrow. Can now crit!
Desert Combat: Jab, Prayer, War Cry, Shout (Normal,Hell). Can now crit!
Desert Defensive : Jab, Defiance, War Cry, Shout (Normal,Hell). Can now crit!
Desert Offensive: Jab, Blessed Aim, War Cry, Shout (Normal,Hell). Can now crit!
Desert Combat: Jab, Thorns, War Cry, Shout (Nightmare). Can now crit!
Desert Defensive : Jab, Holy Freeze, War Cry, Shout (Nightmare). Can now crit!
Desert Offensive: Jab, Might, War Cry, Shout (Nightmare). Can now crit!
Eastern Sorceror Fire: Fire Bolt, Fire Ball, Meteor, Random Curse Cast. Fire Mastery Passive!
Eastern Sorceror Ice: Glacial Spike, Frozen Armor, Blizzard, Random Curse Cast. Cold Mastery Passive!
Eastern Sorceror Lightning: Charged Bolt, Lightning, Chain Lightning, Random Curse Cast. Lightning Mastery Passive!
Barbarian : Bash, Stun, Battle Cry, Battle Orders, Battle Command. Can now crit!
Still all Merc need the req. Level to use the new Skills !!! Cast Chances are still WIP and balancing can be happening. (Need feedback)
Merc can now equip more Item Types
Ready to use Runeword Items can be dropped. (see screenshots)
All Items will drop 4 level before the ilvl is requested. (eg. ilvl is 64 a lvl 60 Monster can drop it)
ilvl is only displayed on Charms, Rings and Amulets for now.
Remove Class Only Item requirements. Class only Pre- and Suffixes will still roll on those Items only.
Loot Filters (D2RE ESP)
Stackable Runes and Gems (Stackit)
instead of more Monster Densitiy I increased the Champion and Unique Monster Spawn Chances
Increased Droprate for better Items. (nothing to crazy may need some adjustments)
Increased Stack Amount for Tomes, Key, Arrows, Bolts and all throwing weapons.
Amazon Skills doesnt use Ammo anymore
Stamina drain is nearly gone
Ingame Cube and Runeword Overview
I also think I remember Brother Laz posting something awhile ago that he was working on a new mod for D2R.