need the dubai prices of a couple of stuff

I'll b going to dubai by the end of april..
so wanted to get some stuff.....
need the prices to know wheter to buy em now..or wait till i get 2 dubai
heres the list.....
1.psp slim/fat psp(old model)
2.laptop memory-1Gb
3.laptop hdd-->2 make portable drives

thanks in advance guys...
an if u guys can name a shop or two where i can get em... would b helpfull.....