For all your RSI pill needs. Includes a chart of styles, colors, etc But as kou said you cant change gender once made. But can give yourself new tats, facial piercings etc.
http://forums.station.sony.com/mxo/..._id=36300010065
As far as clothing, there are many types that can be bought or coded up for you. Have to decide on colors, if your going MA or Guns, etc. Many versions of The Kids' clothing are available as well as trenches. Personally I find myself looking fashionably horrendous for better stats.
When you get jacked in feel free to contact any of the EPN factions. They are all good ones and have great members. I suggest looking here to see some of the factions to join.
http://forums.station.sony.com/mxo/....m?forum_id=132
Im partial to the Brood of course. http://www.winterbrood.com/v2
Anyway you decide, Glad to see you are going to enjoy the Matrix with the rest of us. See you when you jack in.