Question: To be clear, I'm not talking about the EOS erc20 token, I'm talking about the coin post-launch. I haven't heard mention of any wallets, 3rd party or otherwise that will be ready on launch day. Are there any?

Answer: 
This answer probably will change over time, but you should be able to find a list of wallets on:

<https://eosprojects.org/categories/wallet/>

Currently listed are:

* <http://scatter-eos.com/>
* <https://play.google.com/store/apps/details?id=io.mithrilcoin.eoscommander>
* <https://github.com/PearlWallet/Pearl>

// disclaimer: I am creator of eosprojects
An EOS wallet is in the making by 3rd party developers recognized by Block.one. You can find details about 'EOSWallet' under EOS Essentials here <https://github.com/EOSEssentials>.