Reply to need a cheap and dirty sound system - any ideas?

hey djtt,
i'm working on a mega midi/live/acoustic project with a mate, to do house parties and the like. got all the gear - but need a cheap and cheerful sound system.. is anyone an expert on this? doesnt need to be funktion one, just needs to do the job!

i was looking at a few on ebay..
http://cgi.ebay.co.uk/PRO-PA-DJ-SYST...ht_6040wt_1141

and..
http://cgi.ebay.co.uk/BLUE-STAR-BASS...ht_5929wt_1141

am i wasting my time looking at these??

thanks folks, belch x