The Mirage is only available in Japan as part of the movie line. There is no confirmation of it coming here. If you want to pre-order it you will need to look to online retailers in Japan.
As for the Revoltech Sunstreaker, I think it is still too early for that. If you see the below link Ages 3 and Up caries the custom Shockwave revoltech. I assume if it sells well they will pick up Streaker when he goes on sale as well.
http://www.agesthreeandup.com/custom...ech-shockwave/
Here is a site that has Dino or pre-order. Keep in mind shipping is pretty expensive. Or you can just wait until TFCon and maybe get him there
http://www.etoysjapan.com/index.php?...emart&Itemid=1
-Mike