I think $300 LTC is definitely going to make your 3 month target. Not sure about DASH however, as they are focusing on truly emulating cash, and focusing on quick cheap payments (now with their latest software release they are getting sub-cent transaction fees, depending on the input counts). I have noticed that DASH seems to avoid major swings in value % wise, probably because the masternodes have staked so many coins as collateral. This also effects its rate of climb, as so few are available for trading. Both of these fast coins will play a major role moving forward in my view, with DASH having the upper edge because of the option to use private send, and remain anonymous to whomever gets a payment from you.
I agree with your analysis of Dash. While sending anonymously is a plus, it also adds to uncertainty as governments will have more reasons to block it or ban it. I think the overall user experience of integrating into an Apple Pay kind of app will define who gains the upper edge in mainstream usage.