After much trial and error, we have found the following hardware to be the fastest and best quality for the price. I.D.ME recommends the following hardware:

ELO 1515L $418
15” LCD Touchscreen Monitor
http://www.posworld.com/elo-1515l-lcd-touch-screen.html

Dymo LabelWrite 400 $139
http://global.dymo.com/enUS/Products/LabelWriter_400_Turbo.html

Metrologic Orbit $233
MS7120 Omnidirectional Presentation Scanner
http://www.posworld.com/metmsserbars2.html?so=g&kw=[metrologic+orbit]&gclid=CNyCrMbG44wCFQGPWAodr0t-6g

Nametag Labels $21/roll 
For the Dymo printer the 2-5/16" x 4" 30256 shipping label is recommended.
http://global.dymo.com/enUS/ProductAccessories/LabelWriter_400_Turbo.html