The rumor mill has sloweed down significantly after PMA 2010. Many companies are preparing to release their best products before Photokina in September.
I did however received a rumor from oversee that Samsung is working on a full frame camera. No further details were given, but the announcement could happened at Photokina this year. Since Samsung declared that their DSLR line is dead (source), I would assume that the upcoming full frame camera will be an EVIL model. ALl this is nothing new and there has been multiple related reports in the past: