Ask HN: What's your primary development laptop?

- Macbook Pro

- Macbook Air

- Macbook

- Surface Book

- Surface Pro

- Chromebook Pixel

- Thinkpad X Series

- Thinkpad T Series

- Thinkpad P Series

- Ideapad / Yoga

- Dell XPS

- Asus Zenbook

- System76 Lemur / Gazelle / etc

- Other

Feel free to share your overall evaluation (positive/negative), technical specs, anecdotes, etc.