This is very vague. Maybe if you share the questions you were going to ask, someone might be able to share something you may have missed.
I didn't have a revision, so I can't help.
Jenny HW: 268 / SW: 254 / CW: 180 / GW: 140
First 5K: 4.21.2012 - Time: 34:45 - 2nd Place in age group
Second 5K: 6.2.2012 - Time 37:09