I bought the :

http://www.cooldrives.com/2sahadrtoide.html

I just installed the 100gig sata tonight. But have not the greatest luck as of right now. Running the following setup now :

car2_v2.01_hijack.upgrade
v503.hijack.mk2.zImage

Might be fighting a bad ide cable also. I have a replacement. but cant find it!