For those that like to be on top of the beta stuff...you can go to your Preferences > Board Layout....or you can do it in your Profile too, Profile tab > Profile Settings > Reading options....and change your theme from subSilver, to tsnX-lite.
This is one of the (probably) 4 themes (there may only be 3) that are going to be made for tsnX. It's the lite version, and there will also be a medium, and dark version...maybe 2 dark versions. It's constantly under development right now, so even if you think it's ugly, just give it some time, it will get better, as I work my way through the massive folder of templates to change.