https://www.youtube.com/user/MediMarx I've got some general guides for some of the maps and will be releasing more soon. Blank, Cyzer, and RR have demo reviews on their streams those are great to watch as well. Also old casts will help too :D
and the MGE archive: https://www.youtube.com/watch?v=iIxJCkSHqBU&playnext=1&list=PLD098F81F2CA74F00&feature=results_main Although some of the info on this is dated.
If you're super new, try and find an open player or a UGC plat player who would be willing to mentor you a bit, and talk things over.
Also pyyyour's stream VODs, or any of the mix^ players stream vods are really good to watch (along with the other streamers I already named).
Don't get a cali server - the furthest west that's acceptable is Denver in most peoples' cases, it's best to go with texas or chicago as everybody has already said.
Also have 1-2 back ups lined up, because a few weeks into everybody's first sixes experience several people are going to quit or flake out.