I played online the other day and I noticed that the system was full of lag problems. After restarting my modem, I still couldn't get a very good connection, but I suppose it was good enough. The second time, I didn't notice as many glitches.
...Being that it is my first time with a Rainbow game in some time, it was different and fun at the same time. But, I'm still too used to Halo to be really "good" at the game. It is changing, but it will probably take a while to get back to where I need to be.
I'm having a lot of fun with the single-player campaign though. I could use some better AI with my squad-mates, but overall it is going over pretty well. I like to use them as targets (to draw fire) so I can shoot while they move about.
I do die a lot, but funny enough, I don't have a problem with it. Normally I'd get really frustrated, throw the controller about like an eight year old, and shut off the game, but I keep going, and going, and going (despite that I'm not too far in the game... Freemont Street.)