1.8k can build very good one le ar.
300 for 17 inch lcd monitor nowadays.
500gb hard disk also cheap like below 200.
ram not so sure bout prices, but if u want gaming go for 2gb.
graphics card get one of the latest, abit ex but worth it.
my altec lansing speakers+subwoofer cost me 200, but those 100+
more then enough..
sonic gear sound system not bad also, but the logitec 5.1 series i
think 139 was it, seems like quite a good bargain.