System Update, Voodoo OTA Root Keeper, SU app, Busy Box

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Ok I am making this thread so peeps can just reference this.MOds feel free to move if not a good place for Q&A but I figure this is the best place.

I just bought a dx2 ( some of you may be calling me capt postwhore right now lol) andI was wondering a few things. I put my questions together as a guide for those who get noobitis once in a while. I tested everything myself.

I am still on 2.3.3 should I up date?
I would say a general rule of thumb is root first update later.
First off DL Petes Moto tool
Root your phone by going to settings> Set usb to charge only> go to development >enable "usb debugging"
plug in phone to pc
click the petes tool and run as administrator.
chill

Does Voodoo OTA rootkeeper work?
Go to market DL voodoo OTA rootkeeper. Open create root bU.
Next do yore thang and update!
first thing once update is done: go to rootkeeper ap and hit re-install root!
done and rooted! re opne rootkeeper to check and allow SU access....and it says I am rooted.
Confirmed to work for updating from 2.3.3 to 2.3.4>2.3.5


What Super User app should I use
technically if you used petes super user is already their. If it works dont ifx it right? Well thats not how I work. lol. stupid ocd.
So going off my DX I dl'd superuser from chainsdd in market.
I did this after I rooted and before update, not that it matters.
took the ota and was aksed to up date the binary...done and done. no issues.
I had SU by chainfire on my one x, loved the theme worked flawlessly. Tried it on my DX didnt notice any difference so I am sticking with regular ol superuser.
No issues even after both updates.

SHould I install busy box is it stable
yes and yes, also had it on my DX worked great caused no noticeable issues.
I use the busybox pro by stericson.


YES I know these questions have been answered a bajilion times. Yes I know answers are out there ..."just search dude!!" I just figure this will help guys like me who are newbs here and so I compiled these questions with answers and step by step proceedures to use them. I am doing this in hopes it will make searches shorter and easier.
The funny thing is from what I have been reading doesnt really seem like any of this is technically neccesary. I guesse coming from the dx and the whole 621 bs, I figured I had to do it this way or if nothing else it was safer? I could be wrong but I think pete's works on all updates? ANyways this was just to help people answer some questions that I was wondering myself.
If you think I should add anything LMK.