So If I go buy a BFL labs miner and stick some LED's on it, is it custom?
Nah you would also need to put some of those go faster stripes you see on chavy (ricer) cars
On a serious note though FPGA & ASIC hardware goes in the Custom Hardware sub.
GPUs and hardware related to Bitcoin mining but specifically not FPGA/ASIC go in the Hardware sub.
I imagine as GPUs become less popular we will have another move around.
I think its alright for now, what exactly are your problems with the current subs? You don't make it very clear in the OP.