GD IS brilliant - I bought it when it got to 1.004 version (the latest patch)
The loot drop rate is just right, a nice balance of normal to magic to epic..
Lovely skills, area effects and life sucking, flame, gun enhancements, AND you can use a gun and have a sword/mace/magic wotsit as the 2nd weapon set.
No restrictions on "this is only for mages" or whatever.
It just makes it so much more fun to play - but you're not a tank, you can die quite easily.
Dozens of side-quests, some "hunt the wumpus", some "collect or kill 15 of ZZZZ" - and there are hidden areas too, you feel like a right explorer/adventurer when you find them!