If you want SOLID, you can definitely play the HAD/Acc. Dragon. I'm not only recommending it because I play it, but because it is in many respects similar to the Dragon. In fact, it can often transpose into favorable lines, such as the Classical with Be2.
Sure there is the "boring" Maroczy bind, but there are a number of ways you can deal with it. The traditionalNc6 followed by Nf6 is decent, but very drawish. I know you don't like that and neither do I. Thus, I recommend 4...b6. It is the latest GM darling and scores better than any other response to the Maroczy. (this may also be due to the high ELO of the GMs using it, an average of 2400) This isn't necessarily because it is better, it's because it leaves much more complexity on the board and thus the player's strength becomes a more important factor. White can no longer simplify so easily.
Anyway, if you want something solid with similar ideas to the Dragon, you can count on the HAD.
BTW; I don't think 1...Nf6 is really all that "solid." In fact, I would say that if White knows his lines, he can come out of the opening with an advantage.