The best for site psp game trailers is www.ign.com.
There are alot of game websites which you can look at like www.gametrailers.com providing trailers and game videos for new and old games. there is also a well known webise www.gamespot.com which is also useful to check out new games and unrelease ones
OR
You need to have wireless Internet then you get on the PlayStation network go to media then they should have lots of game review with pulse and trailers you then download them and watch them right on your psp
Yes
yes
No, unfortunately not. :/
if you are talking about the psp go, no it doesnt, everything is downloadable.
No, the PSP Go! does not allow you to use UMD disks.
All PSP games are the same, there are no version specific games. No matter what model a PSP it is, as long as it has a UMD drive then it can play any UMD game.
Yes you can as far as your firmware is up to date!
It does not have a UMD drive, but a selection of compatible PSP games can be bought for it from the PSN. The full PSP library is not currently available, though more games will be made compatible in the future.
yes the new PSP go games are also being sold as UMDs
YES. As long as the game for your old PSP was downloaded from the PlayStation Network. UMDs will NOT work in the PSPGo. The new games can only be downlowded.(PSP go can text)
Some of the cheapest PSP games are early sports games. Sports games come out every year. Brand new to match the year, so naturally the older games are not worth that much; therefore, they will be the cheapest PSP games to purchase.
No because the new games for it are like memory cards and the old ones are cds