Seeing products like this always puts me in mind of Coupland's characters describing, in "Microserfs", a Russian yard sale and how decades of communism meant they could never get it right.
I bet in some darkened conference room somewhere, a bunch of suits sat down...
A - "You seen that iMac thing? Very popular!"
B - "Indeed! We should do that! But as a PC!"
C - "We can use dual core chips, integrated graphics, a cool screen..."
B - "And we can do the VESA mount thing too. I know a guy who can get us the specs."
D - "HOLY CRAP, GUYS! HOW ARE WE GOING TO FIT IN A FULL-SIZE CD DRIVE, TWO TYPE-3 PCMCIA SLOTS AND THE PARALLEL PORT???"
A - "Argh!"
B - "Argh!"
C - "Let's just do it anyway! People only care about it being on a stand, right?"