New HD for iBook, how fast can I go

[ckrZH]

I want to replace my standard internal iBook HD with a bigger, faster one?
Say 80G / 5400rpm.
Will temperature rise too high? Anybody knows something?

cheers ckr

[cluthz]

Look here:
http://forums.macrumors.com/showthread.php?t=80711
and here
http://forums.macrumors.com/showthread.php?t=95892
and here
http://forums.macrumors.com/showthread.php?t=66143