I've only got a spreadsheet to copy from my iPad to my iDisk twice, it has failed he other dozen times I have tried. It opens my iDisk, then I hit copy and it says "creating copy", then it begins copying, shows the amount copied, then says "copy failed, please try again later" or something like that. I am on the 4.2 beta. Anyone else getting this? I was so happy to get this feature, but if it wont work it does me no good.