I'll chime in on my GB Silverback. This bag has been perfect for ME as far as size, weight, and comfort is concerned. I can fit 15 discs in the main compartment and easily fit two Wizards in the putter pouch. I also think it is well designed and I like some of the features like velcro straps for an umbrella or stool, pencil/pen holders, the mesh on the pockets, which are great for sunflower seeds/snacks, & I like how the water bottle holders are attached to the bag itself, and not the side pockets.
I have not had one single problem with the frame yet. It doesn't come undone and does it's job well. With that being said, and my OCD added to the mix, I did use a hacksaw to cut off the extra threads so they are plush with the plastic end dividers, and not sticking into the side of the bag. I could see these wearing through the fabric with time, but now I have eliminated that. If you don't like the PVC frame, the accrodian style dividers from Innova fit perfectly. I'm not sure how the new velcro dividers would work, but I imagine they would fit as well.
"Got to sinking in the place where I once stood.
Now I ain't living like I should"