Thanks for the advice. The way the motherboard tray is I most likely can cut some holes for the power cables to go through.
Just gotta find the best place for them.
I'll also fiddle around with the 8pin power cable going across my PSU, Im thinking thats what you meant when you said 4pin.
The holes for the front pannel/usb/audio (big black cables on the bottom) might be a little harder, They are deff long enough, but I will have too look again to see how it is at the bottom of the mobo tray. it maybe hard to get down in there to make the cuts.