tcp interfacing?

hello, i am new to the arduino community and with this first post i would like to say how grateful i am for all your hard work.
you also should know i am a complete newbie and i have some questions i could not find an answer to on the (very detailed and extremely helpful) learning section. i am trying to get some analog readings off of a blackwidow arduino via wifi, and have been making VERY slow progress till now. i managed to partially understand the socket code on the async website, but whats bothering and confusing me is how to read the tcp data from the lan. are there some sample processing sketches you can point me to? i have found little on the internet about the computer part of this.
thank you all very much,
davide