Looking for a backup solution via iPad. What I want to do is: 1) Copy raw+ jpeg files to iPad via camera connector. 2) Select keepers and copy both raw and jpeg files to an online storage solution for backup. I've tried the free versions of Dropbox and SkyDrive. Dropbox works though I find the $99 / year for storage off putting. Only the the jpeg files ever seem to make it to Skydrive. What are folks using for this kind of thing?