The ~$1,900 BTC price will likely come into play as we move towards the end of July as fear of the unknown starts to really come into play causing many people to dump their positions during this time. The ~$4,000 price will likely come into play as this fear cycle subsides shortly after this point as people come to their senses and start to understand that a Bitcoin hardfork may not necessarily be needed and is unlikely to happen any time soon, which will push the BTC price up quite drastically during the following months, especially mid August and into September. I will personally be mainly positioning myself in LTC for the short term leading up to August 1st, and will likely re-position myself into mainly BTC near the end of the fear wave and ride that sucker up from there over the next few weeks.
Anyways just my 2 cents...
Those mirror my own thoughts as well. Well aside from the positioning myself in litecoin part. I don't pay attention to anything outside of BTC Ether and Steem.
In my opinion LTC is extremely undervalued right now and may very well have a bit of a jump over the next few weeks, especially as more and more people realize that BTC in the long term is aiming more to be used as a store of value or for large transactions (kind of like a savings account, similar to gold), while LTC on the other hand is designed to be used more for day to day transactions or pocket change (kind of like a checking account, similar to silver). With this the use case for LTC will become more apparent and its actual intended ratio to BTC will start to take place (should be closer to a ~4:1 ratio but is currently sitting at ~55:1).
As for Steem I think it is a good hold in the medium/long run, especially when you transfer it into Steem Power for the short term to collect the interest to offset the new Steem being added into circulation over time.
As for Ether, I think it has tons of potential, but while all these ICO's are still coming out almost daily it is a bit to speculative for my liking. I personally don't like when a coin/token moves up or down not based on what it does itself, but more-so on what other coins/tokens do which impact them. Basically Ether is currently to effected by what ICOs are happening or recently happened then anything else, and because of that I tend to avoid positioning into it (at least for the time being).