Neither the Trade tab nor the in-wallet encrypted messaging is yet fit to be seen in public so they remain unpublished for the time being ... but gussied-up icons, a diffplot and an IRC chat window are basically just cosmetic (a fork is not required) so if you fancy joining in with the experiment, you can check out and compile the cpuminer1.2.trial branch:
https://github.com/gjhiggins/spreadcoin/tree/cpuminer1.2.trialCheers
Graham
Edit: not last, penultimate