Sorry for the delay in replying.
Firstly, thanks for all the comments. They've given me plenty to think about.
It'll probably help if I explain the application a bit more.
The plan is to have a PC (Chassis, Mainboard, HDD's, Optical Drives, PSU and Digital Projector plus water cooling) held...
Firstly, Is it possible to Magnetically shield a PC? This is so it can be used with a maglev project.
Secondly, if so, does anyone have any ideas how I'd go about it?
I'm looking at a project that will involve having a PC move using a maglev. I've been reading up on shielding, (Mu Metal etc)...