It's a good idea to convert some of your Bitcoin to Ethereum. But don't convert all because I think Bitcoin still have great prices in the future and so Ethereum to
If I were you, I would better change some Bitcoins in cheap but very good altcoins that are the better gainers. I am talking about Ontology, TRON, Credits, Gladius, OmiseGO. They will bring you more profits.
I do not agree with your opinion, to change bitcoin and buy coins like gladius, credits and OmiseGO the three coins are still new and clarity for the future does not yet exist, a good coin investment is a coin that guarantees and has a future, example of ethreum, bitcoincash and bitcoin