Nope, they come from the bourbon distillers in Kentucky. After they've aged the bourbon and drain them, they send them to Scotland. Didn't know that they use them for rum though, pretty cool stuff. I think they send Jack Daniels and George Dickel(Tennessee whiskey) barrels to Scotland as well.Napa.
Another interesting fact about Scotch, its the #1 export from Scotland in terms of $$$ and volume.
As for single malts, I'm too poor to afford them. Occasionally I'll buy something at the $30-$40 a fifth price, had a great 12 year old Speyside a few months ago. Can't remeber the name, but it was very peaty, smokey, and bold.