Astro Gaming's A40 headset and Mixamp Pro have generally gotten yearly revisions, but the portability-inclined A30 hasn't received the same love since its inception. That's officially changed this week, as the company's announced its 2013 PC editions (standalone versions) of the A30 and A40 stereo headsets are now available. Although the new units began shipping with the company's Mixamp-packing Audio
