A lot of huge tech companies and financial institutions are taking Ethereum seriously which is reason enough to have confidence in it, more so even than Bitcoin in my opinion.

While these corporations will start with private blockchains there is potential for these to ultimately link back into the public blockchain at some point which would likely make the price of ETH skyrocket. You can read more at http://fortune.com/2017/02/28/ethereum-jpmorgan-microsoft-alliance/