wow I hate to sound extremely rude, but at lvl 30 gear and weapons don't play that huge of a part. Gear, just get anything that's cloth and appears to be an upgrade from what you're currently wearing; same idea on weapons.
For spell rotation, never been a big worrier about spell rotation, especially at such a low lvl. If I remember right I'd usually just send in my void walker, hit the mob with a few dots and then just shadowbolt them down, stopping to drain soul/life if i needed another soulstone or a little extra HP