Flashing.....

[jasontammy]

I am not new to reading all the posts in here, but I am considering actually USING some of the advice given in here. First of all...some of you in here are pure genius! I guess if I had enough time and patience, I could have some of the knowledge. But, I don't.
So, I come to you now, in need of direction. I will need DETAILED instructions, the type that would be given to a person who has only had an i910 Omnia for a week or so, and no other smartphone experience. I WANT TO FLASH!!! I want to customize my phone, but I am TERRIFIED of "bricking" it. It almost seems like no big deal for most of you in here, which makes me confident that I could do it. Again, this is where I need the DETAILED direction.
I would need to know about which app to use for backup and how to do so, and everything involved thereafter. Also..which is the BEST rom to flash to? I am a moderate user, wanting alot of customization. I currently have, and love, SPB Mobile Shell 3. Google maps with a working internal GPS is necessary as well.
Im sure someone has already posted the detailed instructions already, but I cant find them. Can someone KINDLY take the time to instruct me....or give me the post that best shows how to safely flash.
THANK YOU TO ALL THAT HELP ME IN ADVANCE!!!!!!!!!!!!!!!!
noobie