Today, at Sony’s pre-TGS press conference in Japan, PlayStation Vita’s new firmware – update 3.30 – was briefly discussed. While we don’t know the ins-and-outs of what will be include with the entire update, we do have a glimpse into one key feature: the ability to use custom themes. Those who have a PlayStation 3 are already familiar with themes, which allow players to customize their PS3’s XMB with specialized background imagery and icons.