impt

hi, i'm on a tight financial leash.. so price 4-5K but i need a good enuff 5.1 speakers. i already have a 5.1 creative value card.. i want prices(most impt) of creative 5.1 spkrs and alternatives.. i listen a lot to trance

need the cheapest buy... i mostly read PDFs..whitepapers etc.. need to write code.. JAVA, maybe .net..sometime later no games..maybe simple chess etc. no hi fi sound needed, but spkrs i want.. most impt must be realllllly light, easy 2 carry... BTW how much is a sony vaio(grey...