Summary: I upgraded from the Sony a55 to this and I'm absolutely thrilled!! The original a55 had an issue with overheating after ~15m while doing the video mode and this issue has been completely solved with this model.
Summary: as a background I came from a 6 years long canon journey with 8 lenses and two flash guns, never wanted to go for full frames and never earned my life from photography, however photography is the second most important after my family. the review below is after 4 months of using the camera in almost all conditions.
Summary: I simply love my new camera, is cheaper than a A99 but feels rugged and takes great photos, just see flickr and search for Sony A77. i use it with a 55-300 lens to take great pictures of birds.
Summary: I have owned Sony digital cameras all the way back to the F717. I bought this to replace my A55 for recent a trip to Europe (Italy, Switzerland). All I can say is I am not only in love with this camera, I am in love with this 2.8 16-50 (24-75) lens. The digital EVF works fine. In 2 weeks of shooting hundreds of pictures I never said, "I wish this was a real viewfinder" and actually the fact that when you change settings you see the result in the viewfinder BEFORE you...
Summary: I originally had a Konica Minolta camera that I needed to replace. I did a lot of research, looked at a lot of cameras and finally settled on the Sony Alpha SLT-A77. This camera has a lot of features that some of the more expensive models are missing or charge extra for, and the price was better than comparable Canon and Nikon models.