DF03 very nice buggy, the kit selling at HKD740 which included full bearings. You need a little modification only, TRF damper, slippery clutch and universal axises..... Then you are already to jump!!!
If you already have a brushless set, you can consider other brand too. Actually depends on what you want, if just for fun, DF-03 is ok. For racing, well, no way..