I do not know if they are going out of stock but you might want to cansider the problems I have had, and many others when it comes to some reviews that I have read about them. I have yet to get my plane off thew ground and they will not fix it because they say that I am out of warrenty know, but all I have been doing is putting parts that they say they try out but never work after I put them on. So I would do more digging on this matter before you spend all that monet for something like I have sitting on my TV.