iPad. It's almost impossible to pick the "right" one, even if they're all pretty great.

Links and Show Notes:

The “right” iPads:

• iPad 2
• iPad mini 2 (2012) — Still available!
• iPad Air 2 (2014)

The "wrong" ones that Mikey owned:

• iPad
• “The New” (3rd Gen) iPad — Hurry up the Cakes: You had me at retina
• iPad Air 1

Mikey's current iPad: iPad Pro 12.9”

Sawyer's iPad: iPad 2 (Early 2011 - Late 2012)

• PC World: No Second Coming: Apple’s iPad Just a Big iPod Touch
• WWDC 2015
• Steve Jobs reads the iPad
• Daring Fireball: The iPad
• Pencil by 53
• Cortex with CGP Grey and Myke Hurley — 1:27:23">CGP Grey buys an iPad Pro (Overcast Timestamp Link)
• Microsoft's Courier 'digital journal’
• Mikey's tweet about how the Apple pencil ruined his day
• Serenity Caldwell's Apple Pencil-drawn Apple Pencil Review
• Serenity Caldwell's baby Pro
• Scrivener

As of March 22, 2016, the iPad Air 2 remains Wirecutter's "Best tablet"