hi i really don't know anything about PDA or Internet Tablet device and i want one that i dont't need to upgrade soon.
i'm going to japan in 10 days and i want to buy a good pocket device to take notes, internet browsing, mailing, chat, edit files and also for development.
i like to develop games and app just 4 fun and i want a device that allow me that with good speed and performance


so any ideas can u help me and recommend me a good one i really confuse about this and i don't want to buy an old device or a ultra slow one BTW the max i will spend on this is $500
thanks u guys