Well, let's take New-Zealand and South-Africa as being the two teams with the most noted historic records.
If you take their players of the century, you'll pretty much end up with two of the greatest ever :
NZ - Colin Meads - http://en.wikipedia.org/wiki/Colin_Meads
SA - Frik du Preez - http://www.southafrica.info/about/sport/greats/dupreez.htm
Andrew Johns
The best rugby player in the world of 2012 is.... Dylan Hartley
jarrod hayne
Well duhh he is a famous rugby player well actually the best rugby player well he was so if you don't agree well you just ain't a rugby fan and he was the best rugby winger in the world
Brian O'Driscoll would be Leinster's best player. He is also regarded as Ireland's best player and one of the best in the world.
Max Carpenter is a all form legend at rugby he is known to be the best rugby player in the world (question awnsered if type in best rugby player) and is known to score 200 tries in his 50 cap career
Fourie du Preez of South Africa
Absolutely; No question, no contest!
Jonah Lomu (nz) is the best player of all time and the second best player in my opinion has to be Brian Habana
Dusatouir
yes he is frickin the best
Victor Matfield