"On the last episode of her show, Oprah Winfrey said that after 25 years of interviews the one thing all of her guests had in common was the need to be validated. Recognition is an inherent need in all of us. Awards are badges of honor, they are acknowledgements before your peers that you did something better than everyone else." From They Can't Eat You by Marc Sparks.
How are you going to award your best performers? It doesn't take a lot of effort on your part however the results are significant.