2 - 4 horas
I wanted to install a newly acquired 750GB Seagate Momentus XT drive. Didn't want to use a external hard drive toaster to use it.
The quickest 45 minute installation job ever. Combine it with the ifixit iPad guide and it was simply "In, Out, Done"
Best thing to say, if you have an ipad, get that app, it's easy to abuse for any repair job. :D