OK I am only going to cover a few things that I would like to see changed, upgraded, etc to DDO with either of the upcoming update releases.
1. Yes i know we all want to see the druid class to be released, but seems like they would rather put that on the back burner to release a new diff. class that they are not giving any details other then its more along the lines of a Monk class then a FvS. (IMO Bum Deal.. If there was to be a poll on this? I'm willing to bet that it would be a landslide win in favor of the druid class vs. this mysterious class)

2. Rangers - WE WANT A REAL PET... A CR 4 pussycat is nothing more then its name... Cannon fodder, bait, waste of class spell, etc, whatever u want to call it. Yes i know its becuz of our limited lvl 4 spell casting abilities. I would be more then happy to trade the wild empathy, improved wild empathy skill/feats for it. These are rarely used and a waste of enhancement points when it comes to epix, raids, etc...

3. The gaurdian pet enhancement line. A waste of points and time. nothing more then a pain when u summon it and it immediately throws grease down when u don't want it.. Fix this please becuase from the 3 years I have played this game, I have yet to meet a single player that actually wasted their time, feats, and enhancements to use this wasted pet. and NO its not worthy of a ranger either as replacement for the CR4 "pu$$y" cat.

4. The Holy Avenger - If this is to be finally added to the game using the Pen and paper stats
http://www.dandwiki.com/wiki/SRD:Holy_Avenger it would be a waste of time unless it would be avail to be improved upon into epic form. The Holy Devastator would fit the epic version of this
http://www.d20srd.org/srd/epic/magicItems/weapons.htm. (Reason for this is due to the fact of the ability find/or craft HB weapon of GEOB types which would not only blow the HA out of the water on DPS, it would make the HA only and maybe useful to be used as a leveling weapon

These are only a small thought and list of many things many of us would like to see improved and/or brought to the game.