Ummm... what? Your question makes as much sense as 'Where can I find the cheapest flux capasator? Lowes or Home Depot?'
What Mobo, What case and exactly what are you trying to accomplish. Answer these questions in a new thread with a title that represents those facts and you'll get a better response from somebody around here likely to be able to help you.
He already posted this before and I asked the same thing. I'm guessing he means splitting the frontpanel usb connection, but nobody knows for sure.
Yeah, I saw that myself. I'd gone back in time to where I was reading last night and was reading bottom up. I assume he means a compatible front USB header connection, but as you say, nobody knows yet.