It may look the same as its predecessor, but the Sony SLT-A77 II's insides are quite a bit different. Featuring a new 24MP CMOS sensor and image processor, along with a dramatically improved AF system, this SLT could be one of the best subject-tracking cameras out there. While we've yet to test its performance, we did spend some brief time with the a77 II and have put together our first impressions.