Thank you for an excellent breakdown of what the "problems" really are.
That said, I never really liked Dropbox. And Spideroak, well... It needs to grow it's software a little more.
The online storage I keep using and installing is Zumo-drive. See it as a secure online USB drive. Upload & storage is secure (no details), and it adds a drive to your Computer - you can just drag / drop / manipulate files like you do with an ordinary drive on your windows computer. Also, it has an online portal where you can browse your files from your internetbrowsers. Sharing is also no problem (user/public). And many more! You can use this link to test-drive it (link will give you +256MB). Maximum free account 2,25GB.
It has been a while since I tested ADrive, software was bad, but I see it popping up more and more... I've been replanning on testing it once again, might do it one of these days ; )
Thank you for the alternatives mentioned in the comments until now - I'll check them out (inforelay.com, jungledisk.com, wuala.com).
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