Anything that has an appeal outside the mining/forum community and that makes sense from a business perspective ...

I do not get the "store of value" coins as cryptos do not adhere to basic principles that makes a medium a suitable store of value.
I do not see any longevity for "memecoins" if they target a market that is the miners/user community
I do not see any future for any coin basically that does not have a business model behind it that will support the long term growth of the coin with a stable developer support, exchangeable value tied to the coin and things that promote its circulation.

I want to see ecosystems evolved around it
I want to see it make sense in the current economic system
Also, Id very much not like to see it premined/instamined etc. [insert basic qualifiers here]

My 2 cents!