An official announcement on the official Bioware forums has confirmed that Mass Effect 3 is coming in the first three months (Q1 – first quarter) of 2012.
“Today we have confirmed that Mass Effect 3 will be released in the first three months of 2012. The development team is laser focused on making sure Mass Effect 3 is the biggest, boldest and best game in the series, ensuring that it exceeds everyone’s expectations.” said Casey Hudson, Executive Producer Mass Effect series.
A couple of new images were also released of which you can see one here…
[Edit] yFrog apparently removes images that are 3 years old or more, resulting in linked images to go missing after that time.
Or see the full range so far on the official Mass Effect website……. officially.