[jsheard]

A word to the wise - colour e-ink still has noticeably worse contrast and slightly worse sharpness than mono e-ink, so even if you can justify the most expensive version it's worth contemplating whether you really need colour.

[WillAdams]

Excellent point --- as someone who finds the muddy gray of comics unreadable on my first-gen Scribe, this is appealing enough to at least try out.