The tablet also comes with a digital pen, which worked naturally, with minimal latency, in our tryout. On ports, Lenovo's X1 tablet stakes out a middle ground between the approaches of the Surface ...
The only drawback is that Lenovo has drawn the line, and the X1 Carbon is now a non-touchscreen laptop; you'll have to move to the ThinkPad X1 Yoga if you want a clone with touch (and pen) for $300 ...