Why don't you just make your own set of front IO. You can customize it and not restricted to colors of LED's and button type. It's really easy. Just go to your local electronics store (in Australia it's Jaycar) and pickup buttons, wire, LED etc. Other than that all you have to do is drill the holes and attach them with glue or whatever. Wiring should be easy ad if in doubt, look online.
Otherwise just look on Ebay like this one: http://www.ebay.com.au/itm/65cm-USB-3-0-2-0-Audio-Port-PC-Computer-Case-Front-Panel-Bracket-Replace-Cable-/261968322180?hash=item3cfe875e84:g:SC8AAOSwu4BVphgh