1. As posted earlier, console price is has gone up for the time being. If your sole reason is to make full use of the MCO, then by all means, welcome to the club. You can get it online via lazada or shopee. Or look at the WTS thread here https://forum.lowyat.net/Games

2. It's regional warranty. It is advisable to get an Asian set, so u can claim warranty in Malaysia. 99.9% of legit sellers are selling Malaysian unit.

3. Nowadays gamers are going ori. If u plan to play online, your only option is ori.

4. Console, 1 hdmi, 1 power cable, 1 micro usb to usb cable, 1 controller. Bonus depending on bundles: free games, free ps+ subscription, free extra year warrantyt

if im not mistaken it was 1599 last time

i guess it's up to u to define your needs at this point of time. if u can wait, mco will be over next week, and price should drop when retailers restock. then again, things may not be as normal after mco, no one can say for sure.
even mcd cone is 1.20 now, it was rm1 for 3 decades.