Since you're going to wipe the whole thing out, you can use Seagate's boot disk utility to format the drive. You can download the program from their website, it will create a bootable floppy disk, just boot from that and there'll be an option to format your drive and set partitions. IIRC, the...
I did roughly the same thing, here's the splitter I got, at Best Buy,
I ran the main cable line (coming out of the floor) into the single
connector at the top, and two other cables (as mentioned above) run...
The reflectiveness makes it a bit hard to see details, but I replaced the front with a sheet of plexi with a vertical slot in the middle for the DVD drive.
Here's a link to the thread where I listed the mods done, has a few pics of the inside...
I replaced the front panel on my YY cube, here's link to the thread:
Doesn't sound like it's the one you're talking about, no blue or purple on my case. :D