Well, i recently spent some time finally with
Rainbow Six Las Vegas.
It is definatly a "must have" if you are a fan of the series. The combats are great, you are not just walking next to a wall anymore. You can walk with your back up against it, leaning slowly around the corner. Checking if there is enemies, then engaging them. Knowing where they are makes it a bit easier, but the feel of the engegment is much more realistic.
The shootouts work geniously by taking cover behind obstacles, laying cover fire or engaging a enemy that is foolish enough to put his head up to high. It is more action then before but the tactical knowledge is there too, since you and your team cant just rush forward. The enemy takes cover and slowy working their way towards you from different angels once they are engaged in combat. So far the "AI" of the enemy has worked flawless.
Graphics are good and so is the sound, but controlling the team is a bit diffrent then earlier so i have not yet got used to it. This in turn makes me do some tactical misses. For example, i sent my team into a room filled with bad guys without checking. They managed to take the enemy out, but they sure told me of my mistake.
So when you are going to clear a room, you are supposed to use the fiberoptics. Then you can "tag" some of the enemies and send the team in from a diffrent door, while you go through the first one. By "tagging" an enemy the team takes out the ones you have marked and you can take out the closest one to you. This way you get a tactical advantage when rescuing hostages. The team are not shooting on the one enemy closest to the door, but spreading the firepower where it counts. This may sound pretty advanced, but it is not. Just a few simple clicks and you can let a hellstorm rain over the terrorists.
So far i have only seen improvments that work well. i have not yet made my way through the first stage so i might be a bit overimpressed. Compared to Battlefield 2, RS Las Vegas it is much better. Since a headshot is deadly from any kind of weapon, you always think twice before sticking your head up during a firefight. It is just more realistic overall, and realism is what makes a game great in my eyes