When I backup my iPad or iPhone to iTunes does the backup itself actually take up additional space on the hard drive? If so, does it take up the same amount of space each time I backup or is only the new stuff (new music and apps for instance) added to what was already there from previous ones? If each backup is on the hard drive and taking up space is there a way to delete the old ones to free up space? I'm having major space issues and have deleted pretty much all the extraneous programs I can and cleaned up duplicate songs etc. But I haven't been able to even do a backup of our two iPads ahead of the iOS5 upgrade due to lack of space. I'm gonna delete some of the more space-hogging apps off the PC but would like to find anything else I can get rid of. Thanks.