This week's book giveaway is in the Mac OS forum. We're giving away four copies of a choice of "Take Control of Upgrading to Yosemite" or "Take Control of Automating Your Mac" and have Joe Kissell on-line! See this thread for details.
The Servlet FAQ has a list of Java hosting companies. They mostly support Tomcat, Resin and/or JBoss (those being the major open source servlet containers). WebSphere is a commercial product, and so any hosting plan that offers it will be significantly more expensive.