Apart from Bitcoins which has proven to be consistent in price appreciation, which of these two coins, ETH and LTC you think is most valuable.
LTC and ETH? Why not get both of them, they sure have a good track for their own markets. ETH is well known and does experience some problems now but still it's #2 for the whole crypto's.
With LTC, there's a big growth on it today as tweeted by Charlie Lee, it's growth is 4000%.
Both are great coins, so for having 3 of it BTC, ETH & LTC you have the good coins in the crypto market that you can just hold for so long.