What the hell is that? Another APS-C model called A75? That leak is coming directly via Sony websites. See here: http://www.sony.net/Products/Linux/DI/SLT-A75.html. Could it be a typo? Hm, if it would be in text my answer would be maybe yes. But fact is that also the URL contains the same name! I hope to get more news via my trusted sources very soon! Stay tuned!
P.S.: Imagine the A75 having the [shoplink 8461]Sony A77[/shoplink] body and [shoplink 8452]Sony NEX-5n[/shoplink] sensor. That would be something cool or not?
Reminder (SR = Sonyrumor):
SR1=probably fake rumor
SR2=rumor from unknown sources
SR3=50% chance it is correct
SR4=rumor from known sources (60-80% the rumor is correct)
SR5=almost certainly correct!