just saw it from rcspecial.com, anyone knows what it is?
I am interested to learn more!

Updated spec

Features:
– Completely new design
– Low steering position for a low centre of gravity
– 15g lighter than 4PKS-R
– All in one transmitter antenna
– 2.4GHz system – T-FHSS, S-FHSS & FASST-C2
– The Following receivers can be used with 4PX: R304SB, R304SB-E, R614FS, R614FF-E, R2104GF, R204GF-E & R203GF
– QVGA3.5 inch TFT colour LCD screen with perfect visibility under sunshine
– Sensor slot function (telemetry channel)
– Up to 31 sensors can be utilised
– Equipped with telemetry voice output
– Mixing function : 5 program mixing. 4WS mixing & Dual ESC mixing
– 40 model memory
– Left handed supported
– APA handle extension supported
– 25mm extension adapter
– Push type button power switch
– Auto-power off function
– Vibration motor
– Earphone jack
– New high-durability stick potentiometers
– Communication port (For setting ESC, servos, sensors)
– Micro SD card slot (SDHC)
– Updateable software
– High-point detectable throttle trigger
– Throttle trigger movable by 7mm
– Throttle trigger shape is optimised as well as stiffness is increased
– Combination steering rubber
– Steering angle can be selected (32 degree and 43 degree)
– Telemetry “disabled” LED
– Two different types of throttle triggers are included (can be easily changed by a screw)

No news yet, can't wait. I was just about to upgrade to the 4pksr. Now I'm going to wait.

If the response time is faster than my m12, I would give it a try. But please no external antenna. It's awful. Can't go back my tx with it.

Found this on a Japanese site. Looks like the new 4PX won't be FASST.

http://ameblo.jp/mst-rc/entry-11832292041.html

Nice info. M12 has a 40th Sanwa anniversary version too

Good info, I was hoping for an upgrade to the 4pksr

that will be a color mon version, with faster response than 4pksr.

I don't think so, the new 4PX isn't FASST, its actually FHSS which i was under the understanding is slower. Also the price point is crazy. It going to end up being 690ish dollars? Is futaba crazy?

What does these mean? I saw it mentioned on some Japanese forums.

Not if people buy it. And people will buy it.

Futaba has an airplane radio (14MZ) with a street price of three thousand dollars!

Color monitor

This pricing thing happened before when the 4PK came out and then all of it's predecessors. Don't worry about the price yet.

I'm betting it's just a higher end 4PL. 3PM, then the 3PMX. I'm betting they're just following that pattern.

http://kentech.blogs.se/2014/04/30/f...shot-18345564/

seems like it will handle both Rx. This is good news. It's like they got the PK and PL and fused it together. I've been putting off upgrading to the 4pk since I had so much Rx for the 4pl.

An ad was already in the first inside cover page in RC World magazine in Japan

If it can handle both and has a nifty color LCD screen, then its probably Futaba's next flagship radio, and not a mid-tier model. The 4PK is a great radio, but a bit long in the tooth having been out since 2008.