I played on one at an Indiana casino 10-15 years ago. The plus side I only had a few hours to play (was a work trip) and the table made play much faster than a normal live game. But that was the only positive.
The down side, no cards, no chips, no dealer even. Players were free to table talk, angle shoot saying they are going to raise out of action then not doing it. The only actions that were binding were what was entered into the table.