Mass Effect 3 - Hands-on Preview at Games Xtreme

Games Xtreme have a short preview based on what they saw and played of the game at this weekend's Comic Con in New York. A snippet:

Lastly, the weapon upgrade system has taken a surprisingly refreshing turn, borrowing some ideas from Army of Two, as well as others. The weapons now have a much deeper upgrading system from the previous titles, using custom parts and accessories to enhance the strength and fluidity of each piece of the rifle, pistol or launcher.