Well, Amazon unveiled a trio of tablets today, with last year's champ elbowed out of the spotlight by the Kindle Fire HD with its beefier processor and display. While we'll pour one out for the downgraded former flagship, we here at Engadget are more concerned with stacking the stats side-by-side to see what's changed in the 12 months since were here last. If you're curious yourself, why not join us after the break, but we warned, things are gonna get seriously nerdy.
