If we call Immonen a solid center who doesn't do mistakes then N.Kapanen is a step above him and what i've seen he is always 1 of the best scorers (in assists mainly, not goals) in the team in World Championships for Finland as well.
Year Team GP G A Pts PIM
1997 Finland Jr. WJC 6 4 4 8 0
1998 Finland Jr. WJC 7 2 5 7 2
2000 Finland WC 9 4 3 7 4
2001 Finland WC 9 3 1 4 8
2002 Finland WC 9 0 4 4 10
2004 Finland WC 7 3 2 5 14
2004 Finland W-Cup 6 1 2 3 0
2005 Finland WC 7 1 4 5 8
2006 Finland OG 8 2 1 3 2
2007 Finland WC 9 0 7 7 6
2008 Finland WC 9 2 5 7 0
2009 Finland WC 7 7 3 10 0
2010 Finland OG 6 0 2 2 0
http://en.wikipedia.org/wiki/Niko_Kapanen Click here if that looked confusing. The second last number from the right are points.
This is from his Wikipedia page... Last year was his worst but all others he has got somethind done and he hasn't been in the best lines either. He simply makes his linemates look better
.