ORIGINAL REVIEW (3 Stars): The site is not on a par with the other larger genealogy sites. It seems to mainly consists of other peoples family trees (often of questionable composition). For US based research, original source documents can be found, but finding documents not already on Ancestry or Family search is hard to come by. When you do find one, the image quality is sometimes so poor you can't read it (why does MyHeritage scan or present at such low resolutions?). And, often the document is provided by a third-party provider and you have to leave the MyHeritage site and jump to the 3rd party site to read the original document. I have also found a good number of their source citations incorrectly titled. For example, why is a dutch death record that occurred in 1968 showing a source citation that says "Netherlands, Civil Deaths, 1811-1965"? Finally, it's almost impossible to print source documents in a way that also captures the source data (like Ancestry and others nicely provide). Downloading documents is also generally not possible. I will give MyHeritage cudos for having fairly good record coverage of the Netherlands, but that's probably because the Netherlands has good record keeping to start with and has made many of their records freely available through many of the regional archives that MyHeritage has linked with. While I continue to use this site, I have to admit I'm mostly dissappointed with it's overall capability and functionality relative to what other sites are doing. MyHeritage needs to step up their game.
UPDATE (4 Stars): While some of what I said in my original review remains true, I do feel that My Heritage is working hard to "step up their game". I'm now finding it is becoming increasingly useful for doing research in Europe. It's also been helpful to me with finding DNA matches on the European side of my family. It seems their interface is slowly improving and the number of source records continues to expand. They also have made available some of the most innovative photo enhancement tools. For me, MyHeritage' strength is in suggesting connections as they are doing a lot with smart matching of information. But as a serious genealogist, I want to see a good image of the source document that proves the fact, and so I still find myself jumping away from MyHeritage to access that on many occassions.