Pros:

Custom Music
Original survivors (which is rare to see in custom maps as helpers)
Supreme attention to detail
Lighting effects you won't see anywhere else
Amazingly epic finale
Everything timed perfectly

Cons:

L4D1 survivors being NPC's

Conclusion:

This is ultimately the BEST. MAP. EVER.

Pros:

-Rainbow Dash, duh!
-Pony skins
-The broniness
-Insanely good detail

Cons:

Absolutely nothing

Conclusion:

I am adding this to my pony skins.


+20% coolness
LEVEL UP!

Also I saw that it was made in Ponyville, lul.

Pros:

Great Addon!
Everything works well, most of the animations are in check.

Cons:

No pupils
No mouth movement

Conclusion:

It is a good skin and I recommend it for L4D2, but excpet for no pupils and no mouth movement, it is a well made and done mod.