As mentioned above, Change Bank looks like an interesting project. However, you might be a bit late - their ICO has already launched and all the bonuses have now finished
1 ETH for 500CAG is still a great deal. That puts the value of 1CAG at 0.6$, however I think it'll be a multibillion dollar cap within the first 3 years, which puts the average value of 1CAG at 8$. Invest 300 bucks now, cash out 4000 later