Room for a few men over is always better than even 1 light - leaves room for extra attachments, space for extra stores, sleeping bags, the grunts large packs (which AFV designers never seem to factor in - they seem to presume the guys are in fighting belt order only), extra powerpoint slides (if an HQ), more p*rno mags (if regular grunts), slabs of beer, etc.
If they want a real force multiplier, then fit the thing with the UK Boiling Vessel (BV) - hot water and cooking all in one little box.
http://www.armedforces-int.com/artic...ng-vessel.html
http://en.wikipedia.org/wiki/Boiling_vessel