None of them make it particularly easy, but some manufacturers have a "wink-wink, nudge-nudge" towards rooting. For example, the Samsung Vibrant is trivial to r

None of them make it particularly easy, but some manufacturers have a "wink-wink, nudge-nudge" towards rooting. For example, the Samsung Vibrant is trivial to root, and the SIM unlock code is stored unencrypted on the device itself. I'm still going to get a Nexus S, though; Google keeps their software more up-to-date.