OP, sorry to hear of your problems... all I can offer is sympathy.
And OT, wow, folks, you are a gutsy bunch - changing the HDD in an iBook yourself. I am not so brave. I've put in extra RAM and that's as far as my bravery goes. Actually, I did look at the
http://www.ifixit.com/Guide/Mac/ guide for iBook (though disappointingly, the 1.33Ghz was not there, the 1.2Ghz was featured). Seeing how complicated it was, I gave up any idea that I'm gonna do it. Way too many things can go wrong. Instead, I'm going to have these folks do the job:
http://techrestore.com/xcart/home.php?cat=255
I wish it was easier to do, because if you do it yourself, you control not just the exact components (you get to pick the best), but you know you did it right, rather than sloppily. Unfortunately, it looks too complicated to me.
The price differential is not too big, and I'd rather have someone else do it and waranty it.
Still, I admire those who go ahead and do it themselves (like the amazing poster "California"
)