Apparently MTGOX press release mentions alt-currencies, maybe LTC?
Full press release: https://www.mtgox.com/press_release_20131011.html
Quote
Once Midas is up and running we will be able to offer the trading of other digital currencies.
Full press release: https://www.mtgox.com/press_release_20131011.html
All very nice, but people can't get fiat out of Gox so... what's the point?
This becomes more a myth as time goes on as we have seen $20million in volume last month. So either millionares are just parking USD @ gox for fun or they CAN get money out.