[Zeno]

Running, climbing and jumping is always nice, swimming is good too.

Enough pack space that we're not forced to constantly micromanage loot is another great thing.

Personal housing having hooks or cases where items may be displayed, nice for keeping trophies from kills (on Asheron's Call I used to keep a lot of the weapons I looted that were inscribed by the players I killed and took them from and hung them up in my villa).

A list of every character you have ever killed or been killed by (redundant maybe but I'm weird and nostalgic and like to reminisce about previous encounters with good enemies).

A way to keep track of kills and deaths (its the stat freak in me), ratio is not that important but some kind of number to know is nice and fascinating.

Map coordinates, very helpful for coordinating attacks and such.. actually a map in general would be awesome.