TIS AWESOME FOR LURKERS \o/
So here are most of the ljs/comms I track entries of:
General posts: LJs I'm trying out or STALKING, LOL

Someone posts a new entry to

Fic Tracking
Someone posts a new entry to

Recs
Someone posts a new entry to

Someone posts an entry tagged harry/draco to

Icon LJs
I like having my icons on comms and not ljs - so I just track those instead of friending. Also, some have a lot of other content I'm no that into, so I just track the icon tags:
Icon Comms
Sometimes I just miss a lot of icon comms' posts and find entry tracking easier.
Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Someone posts an entry tagged icons to

Someone posts an entry tagged icons: anime to

Someone posts an entry tagged stock to

Someone posts an entry tagged zo_cat to

Layouts
The individual comms get drowned out by mintyapple et all so individual tracking is easier :)
Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Art, Comics & Manga
Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Someone posts an entry tagged golden days to

Someone posts an entry tagged hyakkiyakou shou to

Often Miss Their Posts, On Hiatus, Rarely Post
Someone posts a new entry to

Someone posts a new entry to

Someone posts a new entry to

Crap, that was long o_O
Edit: Refer to comments for how I use tracking on LJ