I knew somebody would ask for a reason -- I just didn't feel like typing it... :D

I have a slider at the bottom of the window that allows rapid navigation -- it works great and people love it. Let's assume that there are 500,000 records in the table. I set the slider max to 500,000. When they move the slider around, it returns a value, say, 150,000.

I then GO TOP, skip 149,000, and I am there. The slider is independent of the index order, so I have nothing to seek on. It is a physical identifier of where you are in the table. Again, it is very fast once you've "skipped" the entire table once.

Make sense?