Now that I have finished the book, i feel the same. This was a grand story, full of different locales and eccentric characters...but the main character was a virtual cypher in his own story....hell, in his own life. Bouncing off the walls after his mother's death, which was understandable.....bouncing even further, and higher. In Las Vegas after being reclaimed by his errant father, young Theo never seemed to touch ground. His character never connected, with me...hell, Boris was more alive even in caricature.
All in all, I still admire Donna Tartt for her "luminous prose" and look forward to her next offering, if i'm still around in ten years. I just wish her characters had done her craft better service.