Listen up, soldier. Engadget HQ was dismayed when lieutenant Simon "Ghost" Riley -- along with his skull balaclava and mondo communications headset -- saw an arguably unjust demise in Modern Warfare 2. That being said, if he could play the upcoming installment we'd bet it'd be with one of the four limited edition offerings from Turtle Beach and Activision. The headsets all sport the same night vision-esque design, but offer varying specialties. On the front line is the $300 Ear Force Delta; based on the XP500 programmable virtual 7.1 headset, it adds a custom travel-case and MW3 specific sound presets. Next up is the $150 Ear Force B
