Sony's A7 is the world's first full-frame (24.3 mp) mirrorless camera. The A7 sports an XGA (1024x768) OLED EVF and a 3" LCD. Other features include Full-HD 60fp video, HDMI output (with support for 4K images). The A7R flagship model uses a 36.3 mp sensor without a low-pass filter.
XGA OLED EVF (1024x768)