If you are a masochist, play Nightblade.
Each patch you get whiped by the devs, and then the community will say it was about time you got that whipping, because <insert whatever reason related to PvP there is at that time, even though you only play PvE>.
I haven't finished my necro but i don't need to because unless something goes wildly unexpected from 30-50 then sorcerer will always be my fav. As a magcro i can actually slot 5 class skills on my front bar, and 4 class skills on my back bar (that's including ults) and be a good dps for vet raids. no other class can do that to my knowledge. Maybe magplar is a close one, I have 4 front bar and 2 back bar. Sorcs have the most flavor and wide arsenal of tools imo, and i've poured so much time and never run out of cool new ideas for them. Templar is a close second, but maybe necro will take that spot, who knows.
There is no point in classes in ESO. I'm planning on making a huge thread about it. But in a nutshell: they are all the same. Just different thematic colours on skills. There is no unique mechanics, no different play-styles. It is not a matter of "balancing the classes" it's just plain same thing. Imho.