i believe shouldn't be any problem as same as ps3? Trophy will be sync with ur primary account.
Correct me if i'm wrong...
I reached there before 10am just now. Waited JUSCO to open the roller shutter.. I guess that fellow went tru the basement lift reached Sony.
I was finger crossing there's a unit for me. Then i reached at Sony then i saw this guy there ready to sign the extended warranty.
Then that's a long hair cutie came ask me what am i looking for. i said ps4.
then the other staff came ask me "did u PO with us / did we call you come and collect? / did you pay the deposit?"
I was like

I answered NO. I told them one of my friend (Revamperz) came here ytd and he also walked in customer.
After they took one unit out for me... i was
Phewww.... I'm wondering why they would asked me those qs'

theres no.way some 1 would be tat fast without knowing theres stocks left. he must be reading here since yest! come who.was it? admit!!
anyhoo i think from here on there should be no stocks issues as most of us edy got ours.
for that certain.some 1. have fun selling ur sg set at rm2100.00!