If c-cex can confirm they will service this coin for 5 years without a delisting, I will definitely be into this coin.
Here what I can to confirm:
Coin will never be delisted untill it does not need for trading. If there will be absolutely no trading volume during 3 months - coins will be removed according to our usual removal procedure as for all other coins before (e-mail announce, twitter, chat and "news section" on trading page, 2 weeks for withdrawals plus several more days. Usually we give 3-4 weeks. But even if there request for withdrawals from users after that - we serve it if time is reasonable).