Question about the Q4RAF PCB lag.

I've had one of these sticks for a while now and have never really noticed this but I'm pretty sure there are heavily dropped directional inputs on this stick when I use it on PS3. There have been several instances of me dropping the corner Doom BnB loop where instead of registering the first double foot dive he instead pulls out the laser and messes my entire combo up ( dropped forward input)

I can do it 10/10 times while sitting on my 360 practicing at home but for the life of me if I go somewhere and play on PS3 on an EVO monitor I only seem to be able to do it half the time at best.

I've seen the Toodles comparison between the qanba and cthulu pcb and and seems like the qanba is pretty much a turd.

Is there anyone who has suspected this with their Q4? Is it worth addressing? Should I look into modding my PCB?

Thanks for the input.