NES Box is flawed.  The motherboard is starting to go and while it's probably fixable there are vast improvements that can be made.  Changing the hard drive to an ssd will make worlds of difference.  There are better NES emus out there.  And this thing has to run everything in the 8 and 16 bit generation or else it's just not that much fun.  Now to figure out a way to get the controller ports in there.....