This is kinda unrelated, but I seriously wouldn't feel comfortable leaving any sort of coin I didn't mind loosing on MtGox for any extended period of time. Armo

This is kinda unrelated, but I seriously wouldn't feel comfortable leaving any sort of coin I didn't mind loosing on MtGox for any extended period of time. Armory (https://bitcoinarmory.com https://bitcoinarmory.com) is great for offline storage and is pretty straightforward to use.