Nice wallet. I hope it will come out well (fast), because the current wallet is really not pleasant. Where are the advances in the implementation of Sonic?
We're excited for everyone to try out the new wallet! 
With regards to SuperSonic, this is from the development update last April 18th:
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* We got our cryptographer back fully in action and has been using his time to get SuperSonic built up in Rust. It sounds like it might be closer than we originally anticipated. Of course rigorous testing and 3rd party criticism and review must take place before we can start integrating it.