All Black Cables & Power Connectors?

Ok, you can buy modding stuff to sleeve your psu and other cables, or you can buy
replacement ones from manufacturer, I'm sure they'll come in several colours if thats easier for you
but the modding route....
http://www.overclock.net/case-mods-general-discussion/2691-psu-sleeving-guide.html
another guide for the more erm, homely amongst us :)
http://forums.vr-zone.com/case-modding/38093-complete-psu-sleeving-guide-tips-tricks.html
and some slinky black stuff to get it all on with,
http://www.dealnay.com/798862/modsmart-power-supply-cable-sleeving-kit-black.html
Modding sites also sell the connectors I forgot to mention :)
have fun,
Moto