Well, unless some legislation has passed that I haven't heard of, YES, it is legal to download 'for personl use' only, in Canada. "Personal use only' means you cannot turn around and distribute the mp3, that is mass produce it, sell it, charge for it etc. The copyright ruling stated that it is legal to make a copy of copyrighted works, regardless of source, including p2p, as long as it was for personal use and not for distribution.
However, even though there was mention of a new legistaltion against merely putting these mp3 files in a shared folder, without advertising them, until that legislation becomes law (it may have, I just haven't yet) it may still be legal to share them as well. But, before you share, you might want to confirm that it's still legal to merely put them in a shared folder.
Maybe someone else here has updated info on this.