The arrival of the Mac Mini seems to have generated a rash of articles discussing switching from a PC to a Mac. However one of the more interesting series of articles are running at AnandTech where back in October they decided to try a Mac for a month, and then after a massive amount of feedback they have now tried a Powerbook in part 2 and moved on to the Mac Mini in part 3. They are pretty in depth articles, from someone who is an experienced PC user, and definitely seems to be a convert.
Incidentally, following on from my historic Mac video post, you can see what Steve Jobs looks like today (post cancer treatment) in a recording of the 2005 Macworld Keynote 0n the Apple site, incluuding the launch of the Mac Mini. If you have problems with the streaming video, a Bit Torrent of the file is also available.