This week's book giveaway is in the OCMJEA forum. We're giving away four copies of OCM Java EE 6 Enterprise Architect Exam Guide and have Paul Allen & Joseph Bambara on-line! See this thread for details.
As far as I'm aware,inputTextArea can support up to at least 64K bytes, although Your Mileage May Vary, depending on the browser. But the only validation I can recall it supporting is the "required="true"' constraint.
Customer surveys are for companies who didn't pay proper attention to begin with.