ok, I went to the public test realm, saw my new warlocks spells, and instantly said I WANT!!!
so here they are... not just warlock, but all the new spells from the PTR... use it just like any other patch-*.mpq
so far the only changes that I know of for sure are
Fel Armor
Death Coil
Shadow Bolt
Ritual Of Souls (health stone thingy)
Link
http://rapidshare.com/files/27031908/patch-5.mpq
its kinda big, so only one link =/ feel free to re-up somewhere else