So why the hell arent we on an exchange yet? Feel like I've been wasting my hashing power. They just added 3 lame ass coins to the exchange. Still no CGB. Coin announcement for casinon coin was 4 DAYS AGO, yet its on Cryptsy... Again... No CGB.
I would not be surprised if we do not see CGB added until after the subsidy halves. As soon as CGB hits Cryptsy, the difficulty will skyrocket from the attention. I do not think you are wasting your hashing power. You are getting the max subsidy at an easy difficulty. Enjoy and take advantage. If you have more than your fill, please PM me. I will gladly pay for what you mine (cost of power + a percentage to you). Subsidy halving should occur ~ July 31st.
As to which coins are added and when, I can not speculate. Although I must admit that I am puzzled by the CSC leapfrog the most.
Bitjohn mentioned volume is a major factor. So given CGB rarity, we need to mine more to get potential volume that Cryptsy will find attractive. In the meantime, Elambert is correct. You are getting max subsidy with much less competition. And devs like me will slowly begin to incorporate CGB into their projects.