On: The "Buy Root Friendly" list: Android devices ordered by ease of root

[ck2]

A subset but more visual guide:

http://www.cyanogenmod.com/devices

But new devices are being added every week, like the Motorola Defy was accomplished yesterday.

(in a nutshell cybergenmod is a clean, easy way to put the far newer and feature-rich 2.3.3 on those devices)