My Samsung BlackJack 2?

i am looking for a website or something i have just baught a samsung blackjack 2 on august1 08 and its my first smart phone and i dont like it as much as i thought i would and was wondering is there any site were i can like trade my phone in for a regular cellphone i baught this phone with no commitment fee wich means i baught it without contract i have the box and all the stuff it came with a usb cord an all if u can please help thx the person with the best info 10 pnts