Big PC companies are often seen as being at odds with the concept of custom-built computers: apart from letting us ticking a few checkboxes before we order, they'd rather we not fiddle with the internals. Fujitsu is breaking the mold and embracing some of that DIY culture with its upcoming Hands-on Custom PC Assembly Service. The Japanese can take classes that teach them how to install their picks (from a limited range) of processors, hard drives and RAM. While the program doesn't start completely from scratch -- the motherboard is