Hmmm... might be worth looking into. (The trackball I was referring to was that, not the Marble). It wouldn't be bad to have a spare, though if this one holds u

Hmmm... might be worth looking into. (The trackball I was referring to was that, not the Marble). It wouldn't be bad to have a spare, though if this one holds up as well as the ancient Trackman I retired, I won't be needing it for a while.