Received my Mini today, 10 days ahead of shipping schedule. Very impressed with the features. The keyboard is strange but it's comfortable and I'll get used to it fast. Mouse/touchpad is perfect for my tastes. I am extremely happy with my choice of Ubuntu as an OS - it's light, quick and very full-featured, little to no bloatware. I am still not used to the small screen size so I find myself squinting a lot - but that will pass with time.
This is the perfect little system for what I need to do (take it with me on the road for college classes). I am thrilled with it.
Now to investigate upgrades, etc.