Sorry no conventional 6-spd will happen because that so called automatic is infact a real 6spd TC-SST box which means it shifts gears via paddles or by the TCU. Before you even knock it, try it out. Its simply amazing. I drove it around firebird raceway and the car was flawless even at 110%. if you wanna know more about it do a search but this will be the future of transmissions.
Oh and I would get the 5-spd if I had to choose but thats just personal preference.
BTW the MR 6-spd was a failure. Any real mods and the thing would blow up. 4th gear would also overheat after repeated abuse on the track.