if it is a USB 1.0 dock, I assume you mean hub, and your computer has USB 2.0 ports, then the answer is a resounding Yes!
USB 1.0 = 12mbps
USB 2.0 = 480mbps (this is the theoretical speed and is never reached but it's close)
So, if your computer has a USB 2.0 port and the USB 1.0 hub is connected to that port, the speed of the data moving out of the hub will be 12mbps (give or take)
I am curious, does an old USB dock slow down USB 2 gozmo's? If so by how much?