That's so true.......
But why all theses knobs? I only need three.
That's a good question. Starting from the bottom:
The little base pan lever: spins the whole head. I find that very useful because with a geared head it helps to orient the tilt and yaw movements.
The single knob at the base: this one is questionable if you use L-brackets. It tilts the whole head so you can conceivably shoot portrait. I don't know anyone who shoots that way. An L-bracket set up is much more handy I think (or dual plates if you have a tech camera). It does allow you to shoot straight at the ground though, which I don't think the Lindhof can do.
The four tilt and yaw knobs: Obvious main controls. Note this is really two, but it allows you to use either hand.
The top panning lever: This one is really important to me and another reason why I no longer use ball heads. I really like to level the camera and be able to swing it around without screwing up the level. I know you can add a panning clamp to ball heads, but that is something else to buy and carry.
I've used the A/S B1, BH-55, BH-40, Cube, and D4 geared. I currently use the cube for the technical camera, the BH-40 for light travel with the Sony, and the D4 for normal use with the Sony.
I think Ken's recommendations for the KPS T5 is an excellent option but I haven't tried it myself.
The cube stays on RRS 34 legs, the other two swap out on the RRS 24 legs with the TA-2-LC base.
BTW, I really like that base, and once I get the new L bracket for the A7rII, I will try shooting with only that base for a while to see really how limiting it is. Backpacking without a ball head at all is enticing, and that thing is solid as hell. Not only would I lose the weight, but the tripod sits so much nicer on the backpack without a big heavy ball head.
Dave