I still dislike leaving the hangar without any kind of long range weapon, hence I picked a Gauss over the AC20. NARC because its hilarious and an Atlas without ECM needs all the attention he can get from his team when engaged. Alternatively: Remove Medium Laser and AMS and you'd be free to replace it with a single (ER) Large Laser for additional long range punch. Place the LL in the arm and you gain a shieldarm or in the CT for two shieldarms, at the cost of a drastically reduced fireing arc. Beware the dawn of the Metal Age...