The Align 3 bladed head and tail is available. Closest estimates we have found for the costs are 225,96 EUR for the head and 56,88 EUR for the tail. Shown below is a video handed to me by @3dmick showing the flight charatoristics of the new head.

Enjoy.

GENERAL INFO: Suitable for T-REX 700/800
-The new 700E Three-Blade Rotor Head is specially made from 3-D rotation surface process, as well as aerospace grade aluminum alloy,
strongly enhance structural toughness and precision. Also painted with high texture and bright red satin plating color highlight the
extraordinary craftsmanship and beauty all in one. The new three-blade head provide superior flight stability with low CG design allow
to reduce flying resistance but bring more rigidity and fast response on the other hand. Pilots can easily control between active
and static condition,