XEM ICO price was at 2(!) Satoshi - 2.250.000 for 0.045 BTC. Now it's at 5k Satoshi.
XEL has a current marketcap of ~$16m. I see a lot of room to grow, even before the full version is released.
Some managed to get NEM's stake even for free. All you needed to do is just post "Interested".