I've used the padded patrol belt from BH and it is one of the items they do right. The problem though is that the belt itself if pretty soft/flexible and rolls easy under a load. Also, since the pad is sewn to the belt you are forced to put the pouches within the constraints of the seams. That hasn't been a problem since they are sized and spaced well for the mag pouches, canteen carriers and buttpack I attached to it.
I am replacing mine with a CQB Solutions double thickness belt that is much greater resistance to rolling and using a pistol belt pad from Eagle. BH also makes a pistol belt pad that should be fine but I was ordering a rifle case from Eagle so I just added the belt pad to that order.
The modular belt from Tactical Tailor or the similar belts from SOTech are a whole different animal. These use PALS-type webbing to attach pouches which gives them much greater flexibility in attaching loads. And the webbing is pretty much immune to rolling esp. if you use TT's MALICE clips to attach the pouches. I would have gone this route except that I already have all the belt pouches I want and I'd have to replace them to take advantage of the PALS webbing. If I were starting from scratch I'd be using one of these belts. If you are also using a modular vest or chest harness then this would be an excellent way to go since the same pouches could be used in either location.
Edited to add the URL for SOTech:
www.specopstech.com/