Ooo, I would definitely be one to know all about this, as would RiTides, so you could always send him a
PM.
I like your Shaggoth and Throgg counts as thus far, and personally I like the Avatars of War Minotaurs the best, though they can be quite expensive, especially for 14.
As for the list, I don't think you need 3 units of hounds. You should only need 2 units at most, especially at 1750, though thats just my opinion.
I think you should get another unit of Trolls in there, I personally love 6 man units, they seem to work the best for me, but RiTides prefers his bigger blocks

.
The Daemon Prince I would give Third Eye of Tzeentch instead of Splendour, just because its really worth it in 8th, and I dont think Splendour is all that great since your not trying to fear bomb with this list (or so I assume).
Post the list in the Army list section if you already haven't, youll probably get more feed back there.