Okay, we've covered the negatives:
3. You don't have to hack up a Hackintosh.
Seriously, when I packed for my day trip to DC, and picked up the knapsack, with a Kindle, a change of clothes, my wire bag, headphones -- it didn't feel like I was going for a hike in the wildnerness.
Plus I've been getting comments from passers-by. Hey what is that little computer you're using. Not as many as the Asus would get, because this computer isn't quite as radical as it is. But it is a conversation-starter.