Several videos were released in the last days and more will come soon. Aside the next 2 promotional videos have also others showing ingame action of each gametype.
Aside the videos there's already several R3L04D servers around the world which is growing very fast each day, here the servers online when I created this post:
Modern Frontlines 
Join! IP: 8.6.3.108 Port: 28960
Skyttegrav.se #2 Frontlines[HC]R3L04D Join! IP: 95.130.64.233 Port: 28961
iberbit.es |FRONTLINES Join! IP: 93.93.65.64 Port: 29000
[BC]Frontlines[HC] www.BloodCulture.com.br Join! IP: 200.162.238.228 Port: 28960
[FR] UNAGI Frontlines Serv. Join! IP: 77.111.202.134 Port: 27015
|Skill-Station.net | [NgT.!.] - Stock and Custom Maps Join! IP: 82.102.12.9Port: 28964
IGnet[Frontl ines[HC]R3L04D] Join! IP: 202.22.232.136 Port: 28961
[NER-HQ] Frontlines[HC]R3L04D Server Join! IP: 77.111.194.108 Port: 28960
GamingCrew.pl #2 FRONTLINES 6.0 Join! IP: 194.169.126.50 Port: 28961
{Bad Boyzz} Domination Join! IP: 74.208.74.35 Port: 28960
Check the servers on my XFire profile : Xfire.com
For finish, here a AirFight Gametype video for your pleasure:
Enjoy the WAR! :P
Cool. How big is the actual mod download ? Im on a slow connection and it might be better to download before connecting to a server.
just 8mb... will download when you connect to the server.
do i need to have orginal cod 4 to play this???
I'm pretty sure you do, its a mod.