Warp-Up will soon be releasing a gyroscope to give steering assist to everyone using the FR-D rear wheel drive chassis. 
They will be adjustable to your liking. 

Active Hobby has released front and rear adjustable suspension arms for the R31 chassis. These are adjustable to a total of 8mm longer. They come with all the spacers needed. They are available in a multitude of color as other Active Hobby parts. 
These are available now. 

Addiction design will be releasing a new areo kit for the Tamiya 86 shell. It will come with a new rear and front fender, front bumper and rear diffuser. The body kit will come with more details than their pervious kit. 
Release date is May 2013.

Overdose will be releasing an aluminum battery mount for the Yokomo drift package. These will be available in the 7 colors that Overdose has been releasing. red, blue, silver, pink, gold, light blue and purple.

Pandora RC are working on their first item of body kit. This will be a carbon fiber hood and trunk for the Pandora R32 4 door shell. 

Addiction will be releasing their own version on the new 86 back wing mount. Slightly different than the Mui Factory mount. 
Available in black and silver. Hardware will be included. 
Release date is mid May 2013.

Overdose will be releasing an aluminum battery support for the Yokomo drift package. These will be available in the 7different colors Overdose has be producing. The battery support will hold normal and short lipo batteries. 

Overdose will be releasing an aluminum motor mount for the Yokomo drift package. These will be available in the 7 colors Overdose has released on their other drift package items.
blue, silver, light blue, pink, gold, red, and purple. They will have an adjustable......

OD spur gear support plate each time, they have received great popularity. A 3rd type is finally appeared! To have a change in the design Octagon (octagonal), the circumference is decorated with a cross in the center after cutting is the true value of OD. They are prepared in 7 colors, blue, red, light blue, gold, silver, purple and pink. OD spur gear support plate Type-3 which has been transformed into cool!

It is made of hard steel center cup joint for Doripake. It has outstanding durability by the choice made by the hard steel material excellent in strength, more optimal hardening treatment. In addition, the development of the M4 screw dedicated pin. Prevent loosening during traveling together by a pin and a set screw. Because of 2mm hex wrench can be used to securely fix it when I can. 2 pieces each cup joint, screw pin.