weed4life- If you wanna buy a system go for the gh waterfarm. Its the easiest to maintain and great to get your feet wet with.
http://www.bghydro.com/BGH/Itemdesc....SBSWFM&eq=&Tp=
BUT if you wanna DIY (witch will still cost a bit after you have to buy a 30$ 3/8" drill bit) I can tell you how..its very easy..just let me know

kkm-The airpumps in the freezer worked great..BUT I ended up needing that breaker for my dehumidifier. What I ended up doing is connecting some ducting to my window A/C unit and getting the same results (w/o the wasted power). I couldnt check my pumps and grab a beer at the same time anymore , but I liked it much better. You have to have a somewhat cool room (but not too cool) for this to stay in the right range The room temps where 72-82F and the res temps were 63-70F. So yeah it works but you cant have a hot room or it makes no differnce( room 90 res 77)