1. A card shuffler, comprising: a card input area; a card output area; a card input mechanism for inputting cards into the card shuffler from the card input area; a card storage device for receiving cards from the card input mechanism and temporarily storing cards within the card shuffler; and a card output mechanism for moving shuffled cards from the card storage device to the card output area; wherein the card input mechanism comprises: a plurality of rollers located and configured to drive movement of cards along a card input path extending from the card input area toward the card storage device; a motor configured to drive rotation of at least some rollers of the plurality of rollers; and at least one slide bar extending continuously between the rollers of the plurality of rollers along the input path, the at least one slide bar having an upper surface recessed from apexes of the rollers of the plurality of rollers by an average distance of about 0.07 inch or less.