I gotta say man, your truck is definately in my top 10 fav trucks. i love a lifted single cab pickup, and your quite black theme is going very well.
If I was to recommend anything, I think you should either swap in a billet grille to your truck or swap your front end to a modern design. I think that making the front modern would be a significant improvement..
basically imagine if you updated it to like like this
with or without a billet grille.
I just think it'd make your front end look beefier. At the least, new headlights would be very nice.