As you may or may of not heard, the suits from the Japanese tokusatsu series Kaizoku Sentai Gokaiger that aired in 2011-12 will be the power up suits for the Current Megaforce rangers. Also, Gokai Silver, the Gokaiger's Sixth hero, will be the 6th ranger replacing the current Robo Knight. If you don't believe the fact that the Gokaiger suits WILL be used in the series, look at this
Yes, I know this may be fake, But if it isn't them I'm really digging this design.
Power Rangers Super Megaforce is currently filming in New Zealand and is expected to be piloting in February 2014.