You'll have to decide what criteria to include for considering an account "best". You can look at the hi-scores on the main RuneScape site to find the players who have the highest total score (if that's the criterium you want to use).
Mamas boy 07 is the best he just started of in 07 and he is the best runescape player as of forever and has his dungineering is 120 with 200 million xp.
Define "best"
The best Runescape player in the world currently in 2009 is Gertjaars.
Personally i think its TehNoobShow but otherwise their is really no "best player" in runescaoe.
The best runescape player to ever play is zezima and virgilio114 & sk8dude478 they are legends.
No, currently, telmomarques is the best player in Runescape.
No
The current second best player is: virgilio114.
There is a hiscores list under "Community" on the homepage, but anyways the best so far is Gertjaars.
King Duffy1
At the moment it is Gertjaars.
no. .
There is no "best" auto for runescape. They are all illegal (in the real world) and are against the rules.