There have been a lot of improvements to Guild Wars 2 over the past (almost) two years (!!), but there are still those few features which - if they were in the game - you would not even mention to a friend who you were trying to convince to play the game, because they would probably think they are in the game already. These are features which, for some reason or another (time, the engine, finances, goblins disrupting production), ArenaNet refuses to introduce, despite them being either heavily requested or absolute no brainers.
1. Filtering the TP for Wearable Armour
Seriously, why doesn't this exist?
Currently, when you search for armour about your level in the trading post you get all of the armour around that level, regardless of whether you're able to wear it. My Guardian is sick of having the silly caster skirts and endless trenchcoats suggested for his wardrobe - he simply doesn't need them. It makes searching for armour a complete pain.
I see the TP as like a spreadsheet and, surely, amongst the metadata for each wearable item there must be an "armour class" column - light, medium, heavy? Right? Just give us the option to select one of the three by which to filter.
Or better yet just give us a "Filter for items I can equip" button. That way all we would need to do is set a lower level limit and all of the wearable items for our level would be shown - jackpot!
2. Filtering the TP for Back Items
Whilst we're at it - why can't we search for back items? They're a wearable piece of gear, yet the TP offers no support for searching for them. Instead you have to be a master in the dark arts to find the special combination of search terms to find them. Muchos confuso.
3. First person mode.
This is the first of a few "we had it in GW1" features. Completely different game, I know, I know - but every other MMO seems to have a first person mode, so Guild Wars 2 seems to fall just that little bit short. You zoom and zoom and zoom until finally - BUMP - you hit the back of your head and can go no further.
The screenshot takers amongst us are at a loss.
And don't tell me to buy a tonic to change into an air elemental and zoom right in - its not the same!
4. Guild Capes
Or capes in general. Maybe the server would explode if it had to render 300 fluttering mantles during a WvW zerg, but considering the avalanche of back-gear we've recieved over the past couple of years its incredible we haven't yet recieved the item no self-respecting guild warrior would leave home without - the humble cape.
5. Hiding the Quest Log
I did a survey last year for my ergonomics class. I surveyed 400 GW2 players to find out their opinions on the UI. The absolute top requested feature was the ability to customise it further, and out of the many suggested customisations - the ability to hide the quest log reminder in the top right was absolute premium.
For those altaholics amongst us, sometimes we don't want to be reminded that it's time for us to take back claw island, or to assist a Queensdale resident, or Dwayna forbid - tackle Zhaitan. We'd like to put that little bit of the game out of our minds for now and focus on other things, but noooooOOooo we have to be constantly reminded with flashing and obnoxious green stars everywhere we go.
At the community meet-up I went to a while back Colin Johansson said that this was to ensure that newbies knew where they were going. Well, thats all very well and good Colin - but give us more experienced players the option to turn it off, please? Put it on by default, sure, but just the option would be nice.
Honourable mentions for glaringly obvious features now implemented after far too long: minis not depositing with materials, wardrobe for our gear skins, TP text size actually readable, last log-in date for guilds... etc etc