A lot of questions - Where do I start?

[t0mmyr]

seriously i am so lost right now i need some help on where to begin so i can flash custom roms on my galaxy s2...

what's the fastest radio? best battery setup/script?rom? how do i get a 6900+ quadrant score? i saw someone showing he overclocks to 1.6ghz

i think i need to root in with cwm or something right? but i'm afraid of screwing up my odin count??? am i? or can this be easily reset running latest stock sprint radio & rom?

where is calkulin?? i dont see any simple threads to follow like he had before, just a ton of different roms on xda running pre-release ics and other tons of numbers and digits i have yet to understand, what the hell what is the newest? do the numbers go down?

somebody help!