If yes, can i store pdf word excel powerpoint and read it too just like a pda? or a pocket pc? -- i mean not as an email attatchment (cuz that was the one i saw on the video from apple).Cuz actually i have a pocket pc which i use in school to read documents and edit them at the same time.I'd like to hear answers from iphone users.If you have a site to recommend for me to read that would be a plus!Thanks.