You can buy a one-day pass for $10 and spend the next 4 hours downloading all the PDF's.
For vehicles 2006 and above, they no longer offer PDF's, and the information is displayed in an HMTL format.
For vehicles 2005 and below, they still offer nice PDF's that can easily be downloaded. Just be prepared to download a lot of them. Probably the cheapest route you could go.
Toyota doesn't release or sell manuals on CD-ROM. The CD's you see for sale are copies of material that someone downloaded from TIS. Other than TIS, Toyota only sells paper books.
I appreciate all the input and ideas. I have to admit that I have this unusual hobby of buying service manuals and reading them from cover to cover. It