ASUS Transformer Book T300 Chi review: thinner than air, but at what cost?

When ASUS formally unveiled the Transformer Book Chi T300, it did so in the cheekiest way possible: with a cleverly worded swipe at Apple. "Our Chi is thinner than Air," the company proclaimed -- a clear shot at the MacBook Air. ("Chi" means "air" in Mandarin Chinese, by the way, in case the dig …