There's Darren Chukitus interview on PC Gameplay UK talking with the producer on Tom Clancy's Ghost Recon, as part two of their Ghost Recon Week rolls along. Topics covered include what involvement the military had in the project, character classes, the reward system, graphic updates over its predecessors, multiplayer play, and more. Here's a bit that covers the updated graphics:

PCG: What else have you updated in terms of graphics?
DC: We were shooting for some really unique character sets in this game. We'd take all sorts of attire from the people we'd seen fighting in different regions, and mix and match it in as many ways as possible. We've probably got 100 new faces as well. The idea is that each mission is going to have a different set of enemies and NPCs, so every mission will seem extremely new.

We have lots of new special effects in the game too. This is something new for Red Storm. In the past we didn't really have the time or the memory to allocate for those things. With this game we have water effects - you're going to see ripples coming off your character. If you toss a grenade in the water, you're going to see a big splash. One of my favourites is the napalm. We use projected lighting too - we have a POW camp that has spotlights all around it, and as you move through the camp, if the spotlight catches you it will try to track you. There are also shock waves. If a tank is shot near you, you're going to feel it.