I want a "print to iPad" printer driver.
Just use the "Print" command in any application - Word, OpenOffice, LyX, Dia, PageMaker, whatever - and choose "my iPad" from the list of printers. Then the document is wirelessly synced to an iPad app with a simple browsing interface. Basically like Instapaper, but it could work really well with complex graphical documents.
Feel free to steal this idea. :)