Nursedude: I use goodreader and pulse too. Other apps that save huge amounts of cached data, that I have, are usatoday, ebay, craigslist, wired magainze, popular mech, my local newspaper, TVGuide, webmd, something called bonniercorp.magplus.PSCItune, guardian news, and the weather channel. My backup has been running 16 hours and is 80% complete. I have backed up over 15,000 files so far, amounting to only 1.5gb of space. I can hear Jobs now: Our wonderful ipad backs up all your files and uses very little space; none of our competitors can do this.