I ran a D8 and D8T last season. Switched from associated because of the ease to drive and to try something new. They are very stout units and are very forgiving. As mentioned above they can get alittle sloppy but seem to keep but performing. Definetly a top choice for the budget minded racer!
I have now switched to Mugen with a pocket twice as empty. Hoping to reap the benifits this season!