Hate to double post, but the Ndure installer isn't complicated at all. There is no more tasks involved than any other installer. It seems like a lot because he breaks every little detail down so there's very little room for error.
XBOXHD works great, Even though I have a brand new computer, which doesn't allow me to disable IDE auto detection, but after a few searches, i figured out that i could hotswap it. tried it a few times, then finally, (By accident) I got it to work.
I used a CD-R just to see if it would work and it did. My new computer also has a DVD+-RW drive...You know what that means.
About that hotswapping, in case some is reading and has the same problem (Frozen drive when trying to lock) Plug in the power cable to your new drive, and plug the IDE cable to your new drive so it can be removed VERY easily. Having it loosely in at an angle is good. Just don't damage any connectors. As soon as your computer boots, wait about 1-2 seconds and unplug the cable. (NOT THE POWER) As SOON as you hear the XBOXHD boot CD starting to spin, plug the IDE cable back in. Doesn't have to be Tight, just make sure it is connecting. And it should work fine.
I cut the hell out of my hand on the PC's hard drive doing it though.