Check out the PogoPlug Solution which combines a hardware device for storage with cloud accessibility for all the devices you listed. It's extremely easy to use. You don't have to use their cloud solution if you purchase the cheap hardware device. You simply plug in an external hard drive/thumb drive and use their Internet interface on all your devices not just for file storage, but also for streaming.
Slashdot videos: Now with more Slashdot!
We've improved Slashdot's video section; now you can view our video interviews, product close-ups and site visits with all the usual Slashdot options to comment, share, etc. No more walled garden! It's a work in progress -- we hope you'll check it out (Learn more about the recent updates).