Your war belt needs to be as personal as your skivvies, but Alex the Iron Infidel has some suggestions for essential gear to look for.
I wanted to reduce the number of items I take on a trip to the range. Here's how I attached a Tek-Lok to my Safariland UBL. So far it's my favorite option.
HSGI has released some new TACO mag pouches in their Duty TACO series: some doubles and triples, in a wide range of uniform colors and camo patterns.
The True North Concepts Modular Holster Adapter is intended to provide stable holster modularity for your duty belt, "war belt", or range rig. It's not the first device intended to do so, but it may well be one of the best we've seen to date. Take a look and see what you think.