Since some rather poor fully evolved Pokemon seem to be getting analyses I thought I might bring up a few NFE mons for consideration. I should make it clear that am not exactly adamant that these get an analysis; I just think that given what else is getting an analysis, these deserve a look in.
The first eviolite mon I want to bring up is Rhydon. I must say that I am very surprised this one has not been mentioned previously. Rhydon does have a slightly lower attack stat than Rhyperior, and since it is restricted to eviolite, it is obviously outclassed in a strictly offensive role. However, its defences are clearly way better, even on super effective hits. Therefore, with some sort of defensive/support set you might consider Rhydon better. For example, you might consider a SpD RestTalk set with dragon tail in sandstorm, or a support set with SR.
Secondly, I wanted to bring up NFE dragons. As we know, dragon type moves are just great in UU, what with there being few viable steel- types, all of which are grounded (and thus vulnerable to spikes, EQ, and arena trap). Additionally, there is little doubt that the range of available fully evolved dragons is fairly unimpressive,
The first dragon I wanted to bring up is Zweilous, Hydreigon's prevo. I can say, unreservedly, that this thing has the most powerful outrage in the game. Yes, the most powerful. More powerful than rayquaza, more powerful than zekrom, more powerful than Haxorus. This is due to its respectable Attack stat and its ability, Hustle. Also, it has the game's most powerful crunch, letting it tear through many of UU's Psychic and Ghost-type behemoths. Obviously, its accuracy is infuriating, but the main problems are its speed and its movepool. Base 58 Speed can let it outrun most dedicated walls, but with 72/70/70 defences Zweilous will quickly die by locking into outrage. The movepool issues are even worse; I keep thinking: wow this thing would be great if it got Dragon Dance. Hone Claws? Dragon Claw? Pursuit? Sucker punch? Earthquake? Yeah it gets none of those. So, I find, it is very hard to use Zweilous in an offensive sense outside of Trick Room (scarf being outclassed by CB Flygon). I find the best way to use Zweilous is with an Eviolite. 72/70/70 suddenly looks very good, letting you take even moderate super effective hits, including, say, defensive Hitmontop's Close Combat. As long as the opponent doesn't have something like Heracross, you can outrage pretty freely. Also, though lacking Dragon Claw, you can use a (very inaccurate) Dragon Tail to slam an incoming check hard while causing additional spikes damage. Fire Fang gives perfect neutral coverage, hitting steels respectably (If at all - damned hustle), especially Escavalier. Zweilous makes a very capable tank, notably faster and bulkier *(and, depending on the item, more powerful) than Druddigon, and with a unique and useful typing.
Though I don't intend to go into it in the same detail, Dragonair, Shelgon, and Fraxure are all capable Dragon Dancers, though they do struggle to trump Kingdra and Altaria. Fraxure is notable for it's base 117 Attack - with, say, dual screens it could be a scary offensive DDer. Anyway I don't really think they are good enough to deserve an analysis.