i'm really interested to get myself a ps3 slim for ffxiii mainly...... but the thing is.... i dnt want to buy a something thats just good for entertainment i mean i'm almost going to college so i'll probably need a computer... and i dnt really know what it can really really do...

can it do things like, can i plug it to my computer and play pc [utilise its graphics card] or ps3 games while still able to msn

, use as a wireless modem

, blu ray / dvd player[i heard it could spoil the laser] 

,support double screens

,upgrade its ddr3 ram

,overclock

,use a keyboard / mouse as a controller....

stuff like that..... overall i just wanna noe if it can be used as a pc or with a pc....... anyone can help??
any info will do.... illegal or not i dnt think i really mind   lol.....

sorry if some questions are just too...... errr...... impossible .....

hi, i just bought ps3 3 days ago but i can't access playstation home,

it says it cannot be access with my account, i try to search at other web, they say maybe i got banned or under 13

but i'm 19 and i don't know i got banned or not