The problem with Graham is that he's totally one note now - fight 00 Gundam or bust - and it really boring. That is the extend of his character now. They could have at least had him in the middle ground fighting both CB and A-LAWs, as cliche as that is, but it would still be more interesting. It really doesn't help that comparatively, he's still one of the more interesting character in the series. That just outlines the problems the show is having. There is no substance to anything...at all, it all just happens. You constantly feel like you're waiting for something to happen, for the series to actually begin, but it never seems to. Just the progression of the 00 Gundam is a good idea of the problem:
"we need the Exia furnace to get the 00 Gundam to work" -> "wait, we need to now test and make sure the 00 Gundam can work" -> "wait, actually you need an attachment to make it work"
I wouldn't be surprised if there is another component to the 00 Gundam.