I currently run a Disciple Battle belt, which you can get from armysurplus.co.uk for £30, with a harness and it is absolutely amazing. I used to run a plate carrier with all my pouches on that and it was too hindering.
On the belt I carry a triple mag pouch, Dump pouch, water bottle (for on the field hydration / team mates) an ifak and a utility pouch for grenades.
If you don't like carrying anything on your chest I would definitely go for a battle belt.