Fischertechnik Robo Interface

I would be interested in hearing comments and experiences with the Fischertechnik robo interface (I've included its description below)
I am specifically interested in any information pertaining to integrating it with Lego mindstorms building elements, and programming it with a C compiler (I haven't been able to find the "third-party C compiler" they refer to in the product description).
Any information would be greatly appriciated.
Robo Interface Product Description ----------------------------------
"A quantum leap in the world of computer-controlled fischertechnik models. The kit includes a 16-bit microcontroller, USB and serial interfaces, as well as 128kb of flash memory for downloading 2 different programs which are retained even if the power supply is disconnected.
Four 9V/250mA (max. 1A) motor outputs now with variable speed control, 8 digital inputs, 2 analog inputs for resistances from 0-5kO, 2 analog inputs for voltages from 0-10V and 2 inputs for digital distance sensors. One connection each for ROBO I/O Extension expansion module and ROBO RF Data Link radio interface, as well as an interface to infrared transmitter from the IR Control Set. Additional 26-pole male connector strip - to which all inputs and outputs are brought out - for convenient connection of finished models through a single 26-pole connector.
Programmable with ROBO Pro graphic software or with C-Compiler (not included). Additional 9VDC/1A power supply required (e.g. Energy Set)."
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