I'm in the "these numbers don't make sense" category.
It seems truly insane that the Mac Pro outsells the Mac Mini.
And that the MacBook Pro outsells the MacBook Air.
Pro has a more powerful CPU, user upgradeable ram, and 2 user upgradeable hard drive bays.
I have a 13" MBP, with 16 gig of ram, 256 gig SSD, and 1 TB HDD. MBA is not even an option for me. My boot time is 18 seconds, I have 400 gigs of work files, over 100 gig of games (must stop giving steam money in the sales).
Total cost to replace with the latest would be $1000 student price on the pro, $160 for the SSD, $100 for the HDD (with an optibay), and $80 for the ram. $1340 total. How much is an Air with over a terabyte of internal storage? Oh right, it doesn't exist. Not to mention that performance-wise, my machine will blow the air out of the water on photoshop performance which is critical to me.
The fact that I have an Ethernet port just seems to be kicking the air when it's down.
Basically my pro, as I have it configured, suits my needs perfectly and if I needed a computer I'd buy a non-retina pro tomorrow (and a Haswell pro will be hard to resist later this year), but if my only choices were an air or retina, I'd switch to windows first.
Anecdotes don't count for much but I talked a friend into buying a pro a few months ago, she has a business doing court transcription and the recordings are provided to her on CD. She uses her optical drive almost daily and not having one was a complete deal-breaker for her. She loves the computer, she's a total Apple convert, but she'd have to switch back if she couldn't get a small laptop with an optical drive. So there is some demand. And based on the numbers here, we're in the majority.