Maximum PC: If you've been paying attention to the PC wars, you've known for awhile it was pretty much a foregone conclusion that Lenovo at some point would leapfrog Hewlett-Packard (HP) to become the world's top PC supplier. Well, one major research firm claims that's exactly what happened in the third quarter of 2012, while a second firm still has HP ranked No. 1. Interesting enough, one thing all the major bean counters agree on is that the PC market in general is looking pretty pathetic. Let's take a look.