I've been wandering back and forth in this quest most impatiently, for quite awhile.
I got one part of the rod thing, but I can't figure out how to get to the "Beholder"
If any of y'alls could tell me how/where to go(get) (to) him, I'd be most pleased. =)

I've already beaten the game once, with a mage. Warriors are a lot more fun. I missed a ton of quests last time I played, too. Oh well. =)

Spoiler:




If you have killed Gaal, the beholder will appear immediately.
Otherwise, assuming you have picked up the part of the rod from the Rift Dungeon, then all you have to do is go into the underground Unseen Eye temple, to your left after you passed Gaal's room you should see a pit. "Walk/climb" down and you will be in the Ghoul town, which eventually leads to the lower reaches of the beholder dungeon (this is where you pick up the second part of the rift device).

Spoiler (Of course)
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In the main cult worship room in the south (on the balconey near Gaal) there is a pit which the sacrific bodies are thrown down. If you move your cursor to the right place it becomes the stairs(?) symbol. Click and go down. - Curdis

Also, if you give Gaal your part of the rift device, the beholder will also appear.