I just finished my first game of the new DLC (The Passing) and my first thought is AWESOME.
Why you ask me? Very simple I just got 20% more game for free! and if thats wasn't enough the new campaigns is one of the better ones from the six campaigns if not the best. It seems Valve took a good look at the best parts from Left 4 Dead and made them into a whole new level for instance the storm and rain effects from Hard Rain make a comeback. The levels in the DLC are very diverse and fun, and one last treat is that you get to see and meet some familiar faces.  
In conclusion I just want to say play this DLC even if you have to pay for it (im talking to you Xbox playes) its a ride thats worth every second of your time.    
Sorry im keeping this short but these zombies aren't going kill themselves.

I just finished my first game of the new DLC (The Passing) and my first thought is AWESOME.
Why you ask me? Very simple I just got 20% more game for free! and if thats wasn't enough the new campaigns is one of the better ones from the six campaigns if not the best. It seems Valve took a good look at the best parts from Left 4 Dead and made them into a whole new level for instance the storm and rain effects from Hard Rain make a comeback. The levels in the DLC are very diverse and fun, and one last treat is that you get to see and meet some familiar faces.  
In conclusion I just want to say play this DLC even if you have to pay for it (im talking to you Xbox playes) its a ride thats worth every second of your time.    
Sorry im keeping this short but these zombies aren't going kill themselves.

Just ran through it on normal, and i'm definately digging it.

It was alright.

I think it was great. Not that long, but definitely an adrenaline rush.

the campaign itself is great; the new dialogue is often the best part.
 
example; ITS KISSIN TIME

"the campaign itself is great; the new dialogue is often the best part.  example; ITS KISSIN TIME "

" @Laketown said:

"the campaign itself is great; the new dialogue is often the best part.  example; ITS KISSIN TIME "

All the dialog about Zoey was funny as hell. "

I paid $8.96 Canadian for it. Totally worth it. So much better than Crash Course.

I thought it was great.

" I thought it was great. "

"I'll tell you how old I am when you lower that brigde!" 
 
I found The Passing to be great.  
 
  

I liked it, I just wish there was more interactions with the original cast. 

I paid 7 bucks for it on the 360 and tho it is "short" I feel that just the two nights I've spent playing it has already given me more than my money's worth.