Pros:

-Early color changing spitter acid
-Beta animations
-Beta loading screens
-That blue bar loading progress
-No none Early beta weapons
-Better AI
-Better ROCHELLE
-Beta skins
-No Defibs
-Beta charger sounds
-Metal bat model
-Beta chainsaw
-Beta cricket bat
-No stupid riot police
-New Infected skins
-CEDA infected in Parish
-Beta dialogue
-Fire axes in parish
-Beta melee animations
-More shotgun ammo
-Scar is automatic
-Beta Parish horde music
-Beta common infected skins

Cons:

-Shotgun Flickering
-Pistol animations (I can see the unprogrammed void)
-Everything else not in the beta
-Damn L4D1 Medkit animations not working
-Y WE NO WORK IN SWAMP FEVER

Conclusion:

I'm rating my own mod. this is sad.