When you build your own gaming rig or have a computer with a side window so you can look inside and admire the amount of work and money that you have invested into your computer, why not make it look like it was build by professional? cable tray
http://rackorganizer.net/ Richard @ RackOrganizer
You want to look professional on your setup or rig? You can always put Horizontal Cable Management on your setup. That would make it more professional.