After stumbling on this site via an ebay auction for a Tivo in Australia when I was looking for a PVR.
I thought this is a MUST for me, I have been collecting everything I need for my own Tivo setup.
The Stuff I have so far:

A Phillips HDR 112 DVR (Refurbished) w/ Professionally installed Network Adapter. AU$155 SHIPPED...
Its on the slow boat from the USA as we speak.
http://cgi.ebay.com.au/ws/eBayISAPI....MEWN%3AIT&rd=1

Samsung Digital Set Top Box DTB-9401F AU$85 Factory Refit from QQ discounts
http://www.samsung.com/au/products/d.../dtb_9401f.asp

The ISO image. Free (thanks guys)

I have a couple of 60gb drives laying around. Free laying around.

Things I need: (please add anything I missed and where I should look for them.)

The bracket for twin hard drives. $????

The increased cache (is this needed). $??

Should all be going beginning of Feb....