2NE1 will ALWAYS be a factor (apparently, Dara is to be considered as Pinoy), same goes with SuJu and Girls' Generation. Any group besides them that do well will just be a minor surprise.
There are 5 songs that debut at the top of MYX HIt Chart...
1st was the song of F4 - "Can't Lose You".
2nd was Project One song "Ang Sarap Dito".
3rd was 2NE1's "Go Away".
4th was Britney Spears' hit "Hold It Against Me" last year.
5th and the latest #1 debut is the song "One Thing" by One Direction..