A good article on Cracked or The Onion has much the same effect for me.
Honestly, I know Dropbox would work for both my eMac and MacBook, but the interface just isn't to my taste; I love SkyDrive's look and feel. Plus, the 7 GB of space for free is very handy. (I know you're you're supposed to be able to refer people to DB and get more storage, but I know of literally no-one who would be interested in it anyway.)
I guess I was lucky enough to find my copy at a Goodwill for $10 a year or two ago. Still no luck with SC3000 though.