I just bought an iPad this weekend and am learning how to use it. I would like to get an app that would allow me to create and/or edit simple Word and Excel documents on my iPad. I often travel to locations where I do not have Wi-Fi acces and therefore I need an application that would allow me to upload my documents to my iPad before I leave and to move them back to my PC once I come back. Which application should I get? I have read good comments about Pages and Numbers as well as about Documents to Go. Any other one I should look at?