I love you Bungie. I have ever since Halo:CE. But now, you've really earned it.
It looks like you guys are realizing the bar that I wanted Halo:CE to reach. CE originally intrigued me because of it's similarity to Tribes 2 (My favorite game of all time). T2 was getting out of date looking, but the gameplay could not be beat. First FPS I know of to have vehicles. It looks as though you have taken many cues from that wonderful but outdated game. I'm wondering if you have some the guys who worked for Sierra/Dynamix working on REACH with you? I hope so. I love those guys. They deliver.
Loadouts: In T2 there were inventory stations you could run over to loadout with different weapons, nades, packs, and regenerate health and ammo. There were three armor classes, light, medium, and heavy. The lighter the more agile your character ws but the less damage you can take and less ammo you could carry. Heavy aromor was slower, stronger and carried more ammo. You get the idea...
Generators: T2 Powered things like inventory stations, vehicle spawning stations, base shields, and automated base turrets. These were key to protect in order to keep your teams strength up.
Jetpacks: Allowed for multi-level fighting and you could 'ski' across a map by alternating jumping and propulsion. Jetpacks were the key element to the fun that was T2.
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Packs: Speed, Shield, (Jet), Camo, (< >)... I believe the X10 Alpha interviews say that this (beta) is a limited set of attachments. But if we can take a cue from T2 then chances are the (< >) is expansion for carring more ammo, and I'd like to see a repair pack used to repair generators, turrets, vehicles and teammates.
Active Roster is genius. It's makes for a much more balanced experience.
Headhunter also reminds me of an old T2 gametype called Hunters. Just flags instead of Skulls. Every kill you get earns you a skull, the idea is to accumulate the skulls and drop them off at a point station. If you get killed before you return to the station you lose your skulls. The more you can bring back the better the point multiplier. So if you're good you risk staying on the field longer for more skulls.
I believe in you Bungie. I've always wanted a newer better T2 and it looks like you guys are going to deliver. I love your products and have faith that you will execute REACH with all your graces at making enjoyable balanced games. Thanking you now... before I even get to play it.
BTW I am not accusing you of ripping anything off, I want REACH to be what only BUNGIE can deliver!