I was getting serious random track jumping from my phatbox mounted vertically on the sidewall in my boot, but mounted so the DMS was inserted along a horizontal plane (make sense?).
an IT colleague at work suggested it might be due to the orientation of the HDD heads, so i rotated the brackets and thus p/b through 90 degrees - still mounted vertically, but DMS now inserted vertically also.

Seemed to cure everything for a couple of weeks, but now I have some skips again - although nowhere near as bad. Could it just be some badly ripped tracks? - the same colleague sugested walking away from the PC when doing any ripping - just leave it to get on with it, citing anthing from spurious "glitch" noises from mouse clicking, all courtesy of Mr Gates' finest..even though I use dbpower amp to rip.

Anyone else had this?