Pros:

Yaaaaaa! 
Finally the L4D2 version!
L4D1 survivors (who doesn't smile every time Louis says "grabbin' pills"
love the darkness (gives a better more scary feel to the game)

Cons:

none

Conclusion:

Just download and play. You won't be disappointed.
quite possibly my favorite map

Pros:

Getting to play the L4D1 characters
Dusk/Darkness
good design
easy to follow layout
Awsome finale

Cons:

could use more wepon placement
and more variety of melee weapons.
too predictable as far as weapons and throwables placement.

Conclusion:

Great map with awsome finale 
(just needs the musical score from the movie at the very end, and it would be perfect!)

Pros:

Daylight maps
Good detail

Cons:

The last level, the finale is too far from the safe room.
I know another person thought the maps were too short, I actually thought they  were to long.
Lack of zombies
sometimes hard to find your way (the house symbols did help, just not enough).

Conclusion:

Ah, where to begin. I have to give the author credit for making a unique map. I feel bad saying this, but, you took too long to get it out. There are a lot of maps out there way better than this. (sorry) The daytime playing would have been cool if you had published the map before L4D2 came out.
I haven't seen the movie in a while now, but the only thing that even slightly reminded the of it is the mall, and then only slightly. Where was the gun shop?  Where were the rooftop scenes?
Anyhow it's not a bad map, I just don't think it lived up to all the talk that was going on about it.

Pros:

Imaginatively Original
Long dark chapters (creepy)
Many different paths to follow
Great Detail (lightning bugs, awsome!)
Custom music (nice)
The "poetry" on the wall of the office (LOL)

Cons:

Needs to be upgraded for L4D2
The finale could be a bit more challenging

Conclusion:

The IHM Team really put a lot of time and effort in this map, and it came out great.
Every little detail is so great! One of my top 5 for sure!

Pros:

very much like the HL2 maps namesake.
the parking garage is very hard ( i like a challenge)
added HL2 EP1 original music (very good)
The burning apartment building is the best, the smoke effects are way better than that of Dead Center Hotel.
(I could hardly find my way, cool!!)

Cons:

not enough weapons or ammo
not enough tanks thoughout maps (until end)

Conclusion:

good HL2 conversion map, but could be better

Pros:

Nicely done map.
So well done i kept expecting head crabs, poison head crabs and head crab zombies to start attacking me as well.
Original ending.

Cons:

I would have liked to have the use of the spinning zombie choppers, but maybe it wasn't possible.

Conclusion:

Great map, top 5 in my book!

Pros:

Aswome if you're a half life lover
the fire barrels are nice
kinda nice to have some idea where you are going
original finale (sort of)
2 thums up for the tank music 

Cons:

big con, having to extract the files before playing 
levels were sort of  short

Conclusion:

The Half Life series are my total favorite game (s), so it is nice to see a map done combining these two great games.
I can't understand why the score is so low. If it is just because of the installation issues, get real. the installation was way easier than installing the maps before  the vpk format came out. I was a little leary about downloading a program I have never heard of onto my PC, but it was fine. Follow the instructions everyone, and you will be fine. Anyways, a great map, fun to play. Great job x6herbius. 

Pros:

very good beginning, flawless gameplay, not to hard or to easy to find your way. "some" original settings, and routes that can make you think.

Cons:

common ending (with some modifications)
not all weapons available
no shots, no defib
lack of ammo

Conclusion:

 a really good map. fun to play.