Yeah... First time playing I was majorly disappointed... They need to fix the 100+ player problem in quest maps and have it to where if you're doing a quest you're either doing it alone or with those you invited in a team... (CoH kinda did this and it worked relatively well for an MMO too... It'd also work well in Elder Scrolls since they're using a lot of doors too.) 

I also get the class thing, other than Skyrim TES did have classes you could choose from and grow into something more with... though when you're selection is only 4 classes overall it kinda kills some of the fun... I feel as though I don't have much of a selection in them... (I will give credit where it is due though... their classes are the most loose in comparison to other MMOs)

Loot is something that I wasn't too worried about, it is still Beta after all and that should be something that SHOULD be easily fixed... 

Another thing that was slightly annoying was mostly the fact that stealth is almost absolutely fucking useless (especially when everyone is running around as a dragonknight fucking shit up with dual wielding and heavy armor)... "I see a monster, I'm going to assassinate it" *Gets up close and prepares to do melee/Ranged assassination strike* *some mother fucker uses their fiery chain to pull my monster away before I could hit it* 

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NPC Dialogue is... Bland to say the least... my first three NPCs had NO emotion... just... none... AND WE'RE IF FUCKING HELL!!!! IN THE MIDDLE OF A FUCKING BATTLE?!?!

Finally... combat... I think everyone can agree... there is absolutely nothing special about the combat system since all you do is click your mouse buttons till they die or spam hotkeys until the mana runs out by your 1-5 abilities (that do around the same amount of damage, if not... less)... Also, as I said... don't bother on sneaking cause that 5 seconds of you being slow to kill a target is 5 more seconds for someone else to kill it before you. :/

EDIT: Even with all these problems I'll be lying if I said I didn't at least find the game slightly enjoyable... It's fun and all and just needs some small fixes here and there... maybe as time passes it'll improve further... My main annoyance was actually just the other players killing everything in my missions and stealing all the loot while I'm trying to quest more than the game itself...