Yeah, it's a bit too much. Use the 7900 and 7900XT at launch and leave the 7950 for the mid-cicle refresh.
Please excuse my bad English.
Currently gaming on a PC with an i5-4670k@stock (for now), 16Gb RAM 1600 MHz and a GTX 1070
Steam / Live / NNID : jonxiquet Add me if you want, but I'm a single player gamer.