This is set to be released in May, a 2100 pcs R2 LEGO set (featuring a retractable 3rd leg). I'm guessing it'll be one of the first LEGO products that Sideshow offers (given the estimated $250 msrp):
https://www.wired.com/geekdad/2012/03/lego-collectors-r2-d2/
https://www.wired.com/geekdad/2012/03/lego-collectors-r2-d2/