There's lot great report about Bunaken and Lembeh in this forum.
Many people say Lembeh is not for veryone. Probably true, but my 9 years old daughter love Lembeh much as she reported in her blog.
http://melati-wisnu.blogspot.com/2009/01/b...ul-bunaken.html
Not really diving as she dove not deeper than 2 m but both Bunaken and Lembeh still offer plenty.
All underwater pictures are taken by her sister, 13 years old with G9.
Cheers