Judging from those horrible quality screenshots that leaked, I don't know if Reach is on a new engine or not.  Not that I wouldn't buy the game if it was still running on the Halo 3 engine, but I feel it would be a disservice to the game if microsoft and bungie simply reused it.  Will bungie make a whole new engine for just the one Halo game they have left to make? 

yes

Yeah, the leaked screens we've seen look different, slightly better, but it's the exact same Halo style... for better or for worse.

No.
 
I mean yes.

i think its a new engine but those screens are still way too early too judge anything

Yes it will have a new engine, yes it's far too early to judge anything about the game, but to be honest we don't even really know if those screenshots are real.

This is how me and my boys roll:
 
* Volumetric 3D Clouds
* Real time Ambient Maps with dynamic lighting and no premade shadows
* 3D Ocean Technology dynamically modifies the ocean surface based on wind and wave direction and creates moving shadows and highlights underwater
* Depth of field to focus on certain objects while blurring out the edges and far away places
* Vector Motion blur on both camera movement and individual objects
* Dynamic Soft shadows with objects casting realistic shadows in real time
* Realistic Facial Animation that can be captured from an actor's face
* Subsurface scattering
* Breakable Buildings allowing more tactical preplanning on the player's side
* Breakable Vegetation (with possibly heavy foliage) enabling players and enemy AI to level entire forests as a tactical maneuver or other purposes
* Advanced Rope Physics showcasing bendable vegetation responding to wind, rain or character movement and realistically interactive rope bridges
* Component Vehicle Damage giving vehicles different destroyable parts, such as tires on jeeps or helicopter blades
* HDR lighting
* Fully interactive and destructible environments
* Advanced particle system with fire or rain being affected by forces such as wind
* Time of Day Lighting, with sunrise, and sunset effects ensuring realistic transition between daytime and nighttime
* Lightbeams and Shafts when light intersects with solid or highly detailed geometry, and can generate "Godray" effects underwater
* Parallax Occlusion Mapping giving a greater sense of depth to a surface texture, realistically emphasizing the relief surface structure of objects
* Long Range View Distance of up to 16km from ingame measurements
* Parametric Skeletal Animation System
* Procedural Motion Warping
     
But all of that might make the Xbox 360 automatically RROD lol

they are going to have to fine tune the shooting in it too. I went back to Halo after playing MW1 and WaW and Halo felt really janky. IDK about ODST but I imagine it plays just like halo3.

" @L4wz: Where'd you get that from?  Sounds like the Cryengine 2 specs
 
Wow, I know my shit, I was right. "

" @L4wz: Where'd you get that from?  Sounds like the Cryengine 2 specs "

I had it at volumetric 3D clouds...

" Yeah, the leaked screens we've seen look different, slightly better, but it's the exact same Halo style... for better or for worse. "

"@L4wz: Where'd you get that from?  Sounds like the Cryengine 2 specs
 
Wow, I know my shit, I was right. "