This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
You can also bind the value directly to your List instead of using List<SelectItems>, but it seems you don't get to define different values for itemLabel and itemValue. I am not very sure about this approach though