i've got a disk that isn't taking to repairs and have attempted them in Drive Genius 3, techtool pro 6 and Disk utility. The disk has 4 partitions (BTW don't get the Flavours app it's crashing all my programs right now) and 3 of them are mountable/navigable. As you'd expect the 4th partition is the one with the most coveted data and so I need some suggestions/directions on what I should attempt as the next step. I know the last resort step is to take it to a recovery specialist--not that keen to do so given the rate's hover in the thousands. Thanks for your help. Oh and the drive is the worst external on the the market--the WD mybook 3TB. Am very competent with most things computing (programmer/engineer) so don't hold back with insane ideas or difficult steps etc.