1) u has to create it urself as many as u like coz psn acc is free.every user profile created in ur ps3 entitle for 1 psn acc.so if u create 10 diff user profile u can have 10 diff psn acc.

2)different  between countrys psn acc is psn store.

3)if a ps3 games connect to a server its really depend on region that ps3 games.some games on9 are region lock and some not.

4)PSN is playstation network.u need an acc to connect to it.every ps3 games that has on9 multiplayers need to connect to psn 1st b4 they can go to their own server or use psn server as their own.refer to answer 1 about psn acc

5)ps3 can watch ahem movie but not all ahem movie can be watch on a ps3.DL movies also can but not all either.ps3 supported playback of some avi,mp4 and such file format

few other thing u need to know are DLC content downloaded from psn store.some are region locked.most ps3 games on9 uses psn acc as an id to connect to their server except konami based on9 games such as mgo,WE and PES.

hope that help

PS3 80gb Singapore Package :
*ps3 80gb singapore system
*power cord
*composite cable
*usb cable
*dual shock 3 controller
*printed materials

all package r cost rm 1400.

PS3 80gb Malaysia Package :
*ps3 80gb malaysia system
*power cord
*composite cable
*usb cable
*dual shock 3 controller
*printed materials

all package r cost rm 16XX.