I was looking for a plate carrier last year, and when I saw the SKD STT ("Six Twelve Tubes") on sale, I jumped on it.
It's an SKD and First Spear collaboration, which uses their 6/12 (similar to BFG's MOLLEminus) and the Tubes quick detach system.
It's pretty slick.

http://www.skdtac.com/FirstSpear-STT...-p/fsr.550.htm

(pic is not mine, but off the interwebs)