It's a question I think a lot about. First things first, getting there. "Eye has not seen..." That is true, but there is something irresistible about wondering, and looking forward. Eternal happiness, union with the Triune God, bliss, immortality, glorified body, the list goes on.
Writing from a very Catholic perspective, Howard Kainz offers a good article about this very question, What Will We Do in Heaven?Check it out. He focuses more on the state of the blessed souls in heaven prior to reunification with the glorified body.