I'm just as interested in knowing what happened after the upgrade. How's performance on 2.3 vs. 3.0? Are there plans to upgrade to 3.1 anytime soon? Has using 3.0 increased developer or ops productivity in any measurable way?
There is a drastic decrease in response times with switching from 1.8.7 MRI or 1.8.7 REE to 1.9.x MRI.