Based on the PDF it looks the same. Since there ARE firmware updates, it's not clear how you can keep your settings. I just sucked it up and let the RUU wipe my device. I can't say I regret it at all.
and just to confirm, this is the same exact thing that will be released shortly by verizon?
the only thing keeping me back is I am hoping there will be a hack found to upgrade from RTM and keep all my settings... mainly no having to go through the fiasco of re-linking everyones name from facebook to phone numbers