I definitely see what you're saying... like, I'm bobbing along, enjoying the episodes, but I still think they need to find their feet and that these characters need to find individual voices. It surprises me, because the characters on Coupling, while cartoonish, each had very distinct voices and I found them all quite lovable. Then again, Moffat's in a tricky position... wanting to put his own stamp on the show, yet not wanting to fuck up what RTD built, which was a smashing success and definitely had a particular formula. Personally, if I were in his shoes, I'd be cowering somewhere in a ball crying. So, I'm willing to wait and see, but like you, I'm not as bowled over and filled with childlike glee as I want to be.