If this is some kind of question like "you can only play this in your lifetime" I'd pick up a DSi XL or closely a 3DS, I enjoy the DS library more, so it would be a downgrade doing it there, unless things have changed since the last time I checked.
The reasons are simple, it has tons of great titles and many of them have a high replayability value.
I mean, you chose to have them on someone else's computer, your butthole was never safe.