One of the changes between the books and the television show that I really appreciated was the fact that they did not kill Lafayette off right away on the show. I thought it was such a waste for him to die so soon in the books and having him around longer on the show just makes me happy.
I love his relationship with Tara. He is caring without being overly gushy and sentimental. He's a good friend to Sookie and Jason. I also love his interactions with his mother. She's a riot.
I have liked pretty much everything that was done with him so far, except his current storyline. I do not care for Lafayette the 'Medium'. In a show chock full of supernatural, there's really no reason to take an otherwise well rounded character and slap on a super power for no reason. Lafayette was just fine as the wise-ass, fantastically gay, short order cook at Merlotte's.