Stuff to Toss List:Various Adventures - All of them, these take up a lot of space and once you've done them with people there's only so many ways you can still re-do them
Grimoire - Defunct now thanks to MitS
Awakenings - Ditto
DMZ - Bit on the crap side, chuck it
High Tech & Low Life - Pictures are nice and all, but just not nice enough
Virtual Realities 1 & 2 - Superseded by Matrix
Cybertechnology - Updated versions of the gear are in Man & Machine, only redeeming feature is the Hatchetman momologue and Cybermancy conversation
Fields of Fire - Again, the gear has been re-covered, SotA updated the merc situation so that only leaves the Matadore posting (cut those pages out if you just want them like with any Cybertechnology bits)
Rigger Black Book- Updated again, only needed for the pictures and then you can either just use your memory or imagination
Rigger 2 - Likewise
Street Samurai Catalogue - So much wasted page space it made me feel cheated, just look at the text to layout/graphics ratio, plus whiney/useless shadowtalk comments
Germany/London Sourcebooks - Keep them if you think you might be wanting to go international some time, SoE will be updating but these will still have lots of background stuff they can't cover - although I've never ever really been that fon of London
Native American Nations 1 & 2 - Go right to the top of the to get rid of pile, a couple so/so adventures with a few pages of country information bolted to the back, SoNA does it better
Sprawl Maps/Sites - Use your imagination, plus IMHO, the archtypes were crap
Tir Na nOg - See Germany/London comments
There are probably more but I'm just going off of memory here so I'll most likely come up with some more suggestions later.