I've used a combination of a Feisol 3301 tripod and Vanguard Ballhead for a few years now and find the lightweight combination much nicer then my previous Bogen 3221.
I field use this setup for both my Mamiya RB67 and Wista DXIII 4x5 without any issues to date.

Feisol 3301 & Center Column

Vanguard 250 Ballhead