ah right well if you want to get the latest price drops, then check this site out:-
Sony PlayStation Portable
then click on prices for latest price reductions, of course you can check any console this way.
amazingly, in the PSP world around 90% of the games cheapest prices come from CEX. its where ive gotten most of my games from, bargains if you dont mind 2nd hand games.
£4.00 for exit on psp. also they have some gamecube games for as little as 20p - not that many are available online for home delivery but some are. and loads of cheap dvds. i find it cheaper than ebay.