Think you should choose whichever class appeals to you. Play & learn the class and go from there. Dragon Knights appears to be the most popular class, more of a warrior type class if you compare it to gw2. You can always delete a character if not happy & start again, or make alts, one for every class in game. As others have stated, you are not restricted in which weapons you get to use in this game.
* As for sorcerers. My main in VR14 sorc. Never had any problems with the class. Then again I do not participate in pvp, trials etc. ESO is starting to become like gw2 (dungeon builds, WvW) where certain classes & builds are considered optimal for specific area's of this game.